Document:

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                                                                 Exhibit 10.36

                            FORM OF SUBORDINATED NOTE

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THIS NOTE WAS ISSUED WITH ORIGINAL ISSUE DISCOUNT ("OID"). THE CHIEF FINANCIAL
OFFICER OF INVERNESS MEDICAL TECHNOLOGY, INC., WHO CAN BE CONTACTED AT INVERNESS
MEDICAL TECHNOLOGY, INC., 200 PROSPECT STREET, WALTHAM, MA 02453, TEL. NO.
781-647-3900, WILL MAKE AVAILABLE TO THE HOLDER HEREOF UPON REQUEST THE ISSUE
PRICE, THE AMOUNT OF OID, THE ISSUE DATE AND THE YIELD TO MATURITY.

THE NOTE REPRESENTED HEREBY HAS BEEN ACQUIRED FOR INVESTMENT AND HAS NOT BEEN
REGISTERED UNDER THE UNITED STATES SECURITIES ACT OF 1933, AS AMENDED, AND
EXCEPT AS SET FORTH IN SUCH AGREEMENT MAY NOT BE SOLD, PLEDGED, HYPOTHECATED OR
OTHERWISE TRANSFERRED UNLESS (i) A REGISTRATION STATEMENT WITH RESPECT THERETO
IS EFFECTIVE UNDER SAID ACT OR (ii) THE COMPANY HAS RECEIVED AN OPINION OF
COUNSEL REASONABLY SATISFACTORY TO THE COMPANY THAT SUCH REGISTRATION IS NOT
REQUIRED.

THIS NOTE IS SUBJECT TO RESTRICTIONS ON TRANSFER AS SET FORTH IN THE SECURITIES
PURCHASE AGREEMENT AMONG THE REGISTERED OWNER OF THIS NOTE AND CERTAIN OTHERS.
ANY TRANSFEREE OF A HOLDER OF THIS NOTE SHALL, AS A CONDITION OF SUCH TRANSFER,
BE REQUIRED TO BECOME A PARTY TO SUCH AGREEMENT. THE COMPANY WILL FURNISH A COPY
OF THE AGREEMENT TO THE HOLDER OF THIS NOTE UPON WRITTEN REQUEST WITHOUT CHARGE.

                       INVERNESS MEDICAL TECHNOLOGY, INC.

                                Subordinated Note

No. __________________                                         $_______________
Issue Date: __________                                         Principal Amount

         Inverness Medical Technology, Inc., a Delaware corporation (the
"Company"), promises to pay to ___________ (the "Initial Holder") or registered
assigns, the principal amount of $__________ on the first anniversary of the
Issue Date referred to above. Interest shall accrue from the date hereof at a
rate equal to twelve and one half percent (12.5%) per annum and shall be payable
quarterly on the first day of each quarter, beginning with October 1, 2000. If
any interest payment is not paid within sixty (60) days after such interest
payment becomes due, the entire unpaid principal and interest shall become
immediately due and payable upon the expiration of such sixty (60)-day period.
Interest or principal which is not paid when due shall bear interest, compounded
daily, at the rate of eighteen percent (18%). This Note is one of a

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series of subordinated notes issued by the Company pursuant to a Securities
Purchase Agreement dated as of ___________, 2000 among the Company, the Initial
Holder of this Note and certain others (the "Securities Purchase Agreement" or
"Agreement"). The Notes are referred to collectively herein as the "Outstanding
Notes."

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         The Company further agrees as follows:

1. METHOD OF PAYMENT.

         The Company shall make all payments due pursuant to this Note by check
or wire transfer in money of the United States that at the time of payment is
legal tender for payment of public and private debts.

2. PREPAYMENT AT THE OPTION OF THE COMPANY.

         (a) PENALTY. This Note may be prepaid by the Company in whole or in
part at any time so long as the Company at the same time pays the Holder of this
Note a prepayment penalty equal to the product obtained by multiplying (i) the
principal amount being prepaid, BY (ii) the difference obtained by deducting (1)
the three-month U.S. Treasury Bill rate published in the Wall Street Journal on
the date of the payoff from (2) 12.5%, and BY (iii) a fraction the numerator of
which is the number of days from such prepayment date to the first anniversary
of the Issue Date (taking into account such first anniversary date but not
counting the date of the prepayment) and the denomenator of which is 365 (the
product of (i), (ii) and (iii), the "Penalty").

         (b) NOTICE OF PREPAYMENT. Notice of prepayment shall be mailed at least
30 days but not more than 60 days before the applicable prepayment date to the
Holder of this Note at the Holder's registered address. This Note may be prepaid
only if all or the same portion of each of the Outstanding Notes is prepaid on
the same prepayment date or the holders of the Outstanding Notes that are not so
prepaid deliver a written waiver and consent to such prepayment.

         [(c) EFFECT OF NOTICE OF PREPAYMENT. Upon the later of the prepayment
date stated in the notice of prepayment and the date this Note is surrendered to
the Company, this Note or, if applicable, such portion shall be paid, together
with the Penalty and accrued interest to the prepayment date on the amount being
prepaid.] The Company may at any time prior to such payment date withdraw such
Notice of prepayment and the company shall promptly return any note tendered to
the Company for prepayment prior to the withdrawal of such prepayment notice.

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         (d) DEPOSIT OF FUNDS. Prior to or on the prepayment date for a
prepayment in full, the Company shall segregate and hold in trust in an account
with a Depository Bank an amount of money sufficient to pay the principal
amount, the accrued interest and the Penalty with respect to all of the
Outstanding Notes.

3. SUBORDINATION.

         To the extent and in the manner hereinafter set forth in this Section
3, this Note is subordinated to all existing and future Senior Indebtedness. To
the extent provided herein, Senior Indebtedness must be paid before this Note
may be paid.

         (a) SUBORDINATE TO SENIOR INDEBTEDNESS. Notwithstanding anything herein
to the contrary, the Company covenants and agrees, and the Holder of this Note
by such Holder's acceptance hereof likewise covenants and agrees, that, to the
extent and in the manner hereinafter set forth in this Section 3, the
indebtedness represented by this Note, including all interest payable hereunder,
and the payment of the Penalty and Default Payment, if any, in respect of this
Note are hereby expressly made subordinate and subject in right of payment to
the prior payment in full of all Senior Indebtedness.

         (b) PAYMENT OVER OF PROCEEDS UPON DISSOLUTION, ETC. Upon any
distribution of assets of the Company in the event of:

                  (i) any insolvency or bankruptcy case or proceeding, or any
         receivership, liquidation, reorganization or other similar case or
         proceeding in connection therewith, relative to the Company or to its
         creditors, as such, or to its assets, or

                  (ii) any liquidation, dissolution or other winding up of the
         Company, whether voluntary or involuntary and whether or not involving
         insolvency or bankruptcy, or

                  (iii) any assignment for the benefit of creditors or any other
         marshaling of assets and liabilities of the Company,

then in such event

                           (A) the holders of Senior Indebtedness shall be
                  entitled to receive payment in full of all amounts due or to
                  become due on or in respect of all Senior Indebtedness, or
                  provision shall be made for such payment, before the Holder of
                  this Note is entitled to receive any payment on account of
                  this Note, including, the Penalty and Default Payment, if any,
                  in respect of this Note; and

                           (B) any payment or distribution of assets of the
                  Company of any kind or character, whether in cash, property or
                  securities, by set-off or otherwise, to which the Holder would
                  be entitled but for the provisions of this Section 3,
                  including any such payment or distribution which may be
                  payable or deliverable

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                  by reason of the payment of any other debt of the Company
                  being subordinated to the payment of this Note, shall be paid
                  by the liquidating trustee or agent or other person making
                  such payment or distribution, whether a trustee in bankruptcy,
                  a receiver or liquidating trustee or otherwise, directly to
                  the holders of Senior Indebtedness or their representative or
                  representatives or to the trustee or trustees under any
                  indenture under which any instruments evidencing any of such
                  Senior Indebtedness may have issued, ratably according to the
                  aggregate amounts remaining unpaid on account of the principal
                  of, and premium, if any, and interest on, the Senior
                  Indebtedness held or represented by each, to the extent
                  necessary to make payment in full of all Senior Indebtedness
                  remaining unpaid, after giving effect to any concurrent
                  payment or distribution to or for the holders of such Senior
                  Indebtedness.

         In the event that, notwithstanding the foregoing provisions of this
Section 3, the Holder of this Note shall receive any payment or distribution of
assets of the Company of any kind or character, whether in cash, property or
securities, including any such payment or distribution which may be payable or
deliverable by reason of the payment of any other Debt of the Company being
subordinated to the payment of this Note, before all Senior Indebtedness is paid
in full or payment thereof provided for, and if such fact shall then have been
made known to the Holder, then and in such event such payment or distribution
shall be paid over or delivered forthwith to the trustee in bankruptcy,
receiver, liquidating trustee, custodian, assignee, agent or other person making
payment or distribution of assets of the Company for application to the payment
of all Senior Indebtedness remaining unpaid, to the extent necessary to pay all
Senior Indebtedness in full, after giving effect to any concurrent payment or
distribution to or for the holders of Senior Indebtedness.

         For purposes of this Section 3 only, the words "CASH, PROPERTY OR
SECURITIES" shall not be deemed to include shares of the Company as reorganized
or readjusted, or securities of the Company or any other corporation provided
for by a plan of reorganization or readjustment the payment of which is
subordinated, at least to the extent provided in this Section 3 to the payment
of all Senior Indebtedness which may at the time be outstanding; PROVIDED,
HOWEVER, that (i) Senior Indebtedness is assumed by the new corporation, if any,
resulting from any such reorganization or readjustment, and (ii) the rights of
the holders of the Senior Indebtedness are not, without the consent of such
holders, altered by such reorganization or readjustment.

         The consolidation of the Company with, or the merger of the Company
into, another corporation or the liquidation or dissolution of the Company
following the conveyance or transfer of all or substantially all of its assets
to another person shall not be deemed a dissolution, winding up, liquidation,
reorganization, assignment for the benefit of creditors or marshaling of assets
and liabilities of the Company for the purposes of this Section 3 if the
corporation formed by such consolidation or into which the Company is merged or
the person which acquires by conveyance or transfer all or substantially all of
the assets of the Company, as the case may be, shall, as a part of such
consolidation, merger, conveyance or transfer, expressly assume in writing all
of the obligations of the Company under this Note and immediately after giving
effect

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to such transaction no Event of Default, and no event which, after notice
or lapse of time or both, would become an Event of Default, shall have occurred
and be continuing.

         (c) ACCELERATION. In the event that this Note is declared or becomes
due and payable pursuant to Section 4, then and in such event the Company shall
promptly notify holders of Senior Indebtedness of such acceleration. The Company
shall not pay this Note until 180 days have passed after such acceleration
occurs and may thereafter pay the Notes if this Section 3 permits the payment at
that time.

         In the event that, notwithstanding the foregoing, the Company shall
make any payment to the Holder of this Note prohibited by the foregoing
provisions of this Section 3(c), and if such facts then shall have been known or
thereafter shall have been made known to the Holder pursuant to the terms
hereof, then and in such event such payment shall be paid over and delivered
forthwith to the Company by or on behalf of the person holding such payment for
the benefit of the holders of Senior Indebtedness.

         The provisions of this Section 3(c) shall not apply to any payment with
respect to which Section 3(b) would be applicable.

         (d) DEFAULT ON SENIOR INDEBTEDNESS. The Company shall not make any
payment in respect of this Note, including the Penalty and Default Payment, if
any, or otherwise acquire this Note for cash or property if:

                  (i) a default on Senior Indebtedness occurs and is continuing
         that permits holders of the Senior Indebtedness to accelerate its
         maturity; and

                  (ii) the default is the subject of a judicial proceeding or
         the Company receives a notice of default relating thereto from any
         person who may give such notice pursuant to the instrument evidencing
         or document governing such Senior Indebtedness.

         In such event, the Company may resume payments on this Note and may
acquire this Note if and when:

                           (A) the default is cured or waived and any such
                  related acceleration has been rescinded or annulled in
                  accordance with the terms of such Senior Indebtedness; or

                           (B) 180 or more days pass after the receipt by the
                  Company of the notice described in clause (ii) above and the
                  default is not then the subject of judicial proceedings; and

this Section 3 otherwise permits the payment or acquisition at that time.

         In the event that, notwithstanding the foregoing, the Company shall
make any payment to

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the Holder of this Note prohibited by the foregoing provisions of this Section
3(d), and if such fact then shall have been known or thereafter shall have been
made known to the Holder, pursuant to the terms hereof, then and in such event
such payment shall be paid over and delivered forthwith to the Company by or on
behalf of the person holding such payment for the benefit of the holders of
Senior Indebtedness.

         The provisions of this Section 3(d) shall not apply to any payment with
respect to which Section 3(b) would be applicable.

         (e) PAYMENT PERMITTED IF NO DEFAULT. Nothing contained in this Section
3 or elsewhere in this Note shall prevent the Company from making or the Holder
from retaining any payments in respect of this Note, including the Penalty and
Default Payment, if any, as the case may be, in respect of this Note at any time
except during the pendency of any case, proceeding, dissolution, liquidation or
other winding up, assignment for the benefit of creditors or other marshaling of
assets and liabilities of the Company referred to in Section 4(b) or under the
conditions described in Sections 3(c) or 3(d).

         (f) SUBROGATION TO RIGHTS OF HOLDERS OF SENIOR INDEBTEDNESS. Subject to
the payment in full of all Senior Indebtedness, the Holders of Outstanding Notes
shall be subrogated to the extent of the payments or distributions made to the
holders of such Senior Indebtedness pursuant to the provisions of this Section 3
to the rights of the holders of such Senior Indebtedness to receive payments or
distributions of cash, property or securities applicable to the Senior
Indebtedness until the Outstanding Notes, including the Penalty and Default
Payment, if any, as the case may be, in respect of the Outstanding Notes shall
be paid in full. For purposes of such subrogation, no payments or distributions
to the holders of the Senior Indebtedness of any cash, property or securities to
which the Holder of this Note would be entitled except for the provisions of
this Section 3, and no payments pursuant to the provisions of this Section 3, to
the Company or to the holders of Senior Indebtedness by the Holder of this Note,
shall be, as between the Company, its creditors other than holders of Senior
Indebtedness, the Holder and other holders of Outstanding Notes, deemed to be a
payment or distribution by the Company to or on account of the Senior
Indebtedness.

         (g) PROVISIONS SOLELY TO DEFINE RELATIVE RIGHTS. The provisions of this
Section 3 are and are intended solely for the purpose of defining the relative
rights of the Holder of this Note and the holders of other Outstanding Notes, on
one hand, and the holders of Senior Indebtedness, on the other hand. Nothing
contained herein is intended to or shall alter or impair, as between the Company
and the Holder of this Note, the obligation of the Company, which is
unconditional and absolute, to pay to the Holder of this Note the principal and
interest due hereunder, and the Penalty and Default Payment, if any, with
respect to this Note as and when the same shall become due and payable in
accordance with the terms hereof, or is intended to or shall affect the relative
rights of the Holder of this Note and creditors of the Company, other than the
holders of Senior Indebtedness, nor shall anything herein prevent the Holder of
this Note from exercising all remedies otherwise permitted by applicable law
upon an Event of Default under this Note, subject to the rights, if any, under
this Section 3 of the holders of Senior Indebtedness in respect

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of assets of the Company of any kind or character, whether cash, property or
securities, received upon the exercise of any such remedy.

4. DEFAULTS.

         (a) EVENTS OF DEFAULT. "Event of Default", wherever used herein, shall
have the meaning set forth in the Securities Purchase Agreement.

         (b) ACCELERATION OF MATURITY, RESCISSION AND ANNULMENT. If an Event of
Default occurs and is continuing, then in every such case the authorized
representative of the holders of the Outstanding Notes as designated pursuant to
the Securities Purchase Agreement (the "Authorized Representative") may issue a
notice of default to the Company (each, a "Notice of Default") setting forth the
nature of the Event of Default. If an Event of Default is not cured within 30
days of the Company's receipt of a Notice of Default, the principal, accrued
interest and Penalty (determined as of such date the principal becomes due) with
respect to this Note (the "Default Payment") and all of the other Outstanding
Notes shall become and be immediately due and payable without any declaration or
other act on the part of the Holder or any other holder of Outstanding Notes.

         At any time after such acceleration with respect to this Note has been
made and before a judgment or decree for payment of the money due has been
obtained, the Authorized Representative, by written notice to the Company, may
rescind and annul such declaration and its consequences if the rescission would
not conflict with any judgment or decree and if all existing Events of Default
have been cured or waived except nonpayment of the Default Payment. No such
rescission shall affect any subsequent default or impair any right in connection
therewith.

         (c) UNCONDITIONAL RIGHT OF HOLDER TO RECEIVE PAYMENT. Notwithstanding
any other provision herein but subject to Section 3, the Holder of this Note
shall have the right, which is absolute and unconditional, to receive payment of
principal, interest, Penalty and Default Payment, if any, in respect of this
Note as provided in this Note, and such rights shall not be impaired without the
consent of the Holder.

         (d) RIGHTS AND REMEDIES CUMULATIVE. Except as otherwise provided in the
last paragraph of Section 8 with respect to the replacement or payment of this
Note should it become mutilated, destroyed, lost or stolen, no right or remedy
herein conferred upon or reserved to the Holder is intended to be exclusive of
any other right or remedy, and every right and remedy shall, to the extent
permitted by law, be cumulative and in addition to every other right and remedy
given hereunder or now or hereafter existing at law or in equity or otherwise.
The assertion or employment of any right or remedy hereunder, or otherwise,
shall not prevent the concurrent assertion or employment of any other
appropriate right or remedy.

         (e) DELAY OR OMISSION NOT WAIVER. No delay or omission of the Holder to
exercise any right or remedy accruing upon any Event of Default shall impair any
such right or remedy or constitute a waiver of any such Event of Default or any
acquiescence therein. Every right and

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remedy given by this Section 4 or by law to the Holder may be exercised from
time to time, and as often as may be deemed expedient by the Holder.

         (f) WAIVER OF PAST DEFAULTS. The Authorized Representative may on
behalf of the Holders of all the Outstanding Notes waive any past default
hereunder and its consequences, except a default

                  (i) in the payment of any principal or interest, or the
         Penalty or Default Payment, if any, on all Outstanding Notes; or

                  (ii) in respect of a covenant or provision hereof which under
         Section 11(e) cannot be modified or amended without the consent of the
         Holder hereof.

         Upon any such waiver, such default shall cease to exist, and any Event
of Default arising therefrom shall be deemed to have been cured, but no such
waiver shall extend to any subsequent or other default or impair any right in
connection therewith.

         (g) COSTS OF ENFORCEMENT OR COLLECTION. The Company hereby agrees that
it shall pay the reasonable costs of enforcement or collection, including
reasonable attorneys' fees and disbursements, incurred by the Holder in an Event
of Default.

5. TIMING OF PAYMENT.

         The Company shall promptly make all payments in respect of this Note as
provided herein.

6. WAIVER OF CERTAIN PROVISIONS.

         The Company may omit in any particular instance to comply with any
term, provision or condition set forth herein, if before the time for such
compliance either the holders of Notes constituting at least a majority of the
then remaining outstanding principal of the Notes remaining unpaid at that time
or the Authorized Representative shall in writing either waive such compliance
in such instance or generally waive compliance with such term, provision or
condition, but no such waiver shall extend to or affect such term, provision or
condition except to the extent so expressly waived, and, until such waiver shall
become effective, the obligations of the Company in respect of any such term,
provision or condition shall remain in full force and effect. Notwithstanding
the immediately preceding sentence, in addition to the waiver required by such
sentence, the written waiver of the Holder hereof is required to waive
compliance by the Company with any term, provision or condition set forth in
Sections 1, 2 and 3 hereof and in the case of Section 3, that percentage of the
holders of any Senior Indebtedness required to waive compliance by the Company
with any term, provision or condition set forth in the documents governing such
Senior Indebtedness.

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7. REGISTRATION OF TRANSFER, ASSIGNMENT OR EXCHANGE.

         The Company shall maintain an office or agency where this Note may be
surrendered for registration of transfer or assignment or for exchange ("Note
Registrar"), and an office or agency where Notes may be presented for payment or
prepayment. The Note Registrar shall keep a register of the Outstanding Notes
and of their transfer, assignment and exchange ("Note Register").

         The Company or the Note Registrar, as applicable, shall not be required
to (i) register the transfer or assignment of this Note for a period beginning
at the opening of business 15 days before the date of the mailing of a notice of
prepayment and ending at the close of business on the day of such mailing; or
(ii) register the transfer, assignment or exchange of this Note to the extent
called for prepayment. The Company shall not be required to make any exchange of
this Note if, as a result thereof and in the Company's judgment, the Company
would incur adverse consequences under any applicable income, franchise or
similar tax laws in effect at the time of such exchange.

         The transfer or assignment of this Note is subject to restrictions set
forth in the Securities Purchase Agreement, and no transfer or assignment of
this Note shall be made except in compliance therewith. The Company shall not be
required to register any transfer or assignment of this Note which has not been
approved or otherwise made in accordance with such Securities Purchase
Agreement.

8. MUTILATED, DESTROYED, AND STOLEN NOTE.

         If this Note shall become mutilated, it may be surrendered to the
Company and the Company shall execute and deliver in exchange therefor a new
note of like tenor and principal amount and bearing a number not
contemporaneously outstanding.

         If there shall be delivered to the Company (i) evidence to its
satisfaction of the destruction, loss or theft of this Note and (ii) such
security or indemnity as may be required by the Company to save it and any agent
of the Company harmless, then, in the absence of notice to the Company that this
Note has been acquired by a bona fide purchaser, the Company shall execute and
deliver, in lieu of such destroyed, lost or stolen Note, a new note of like
tenor and principal amount and bearing a number not contemporaneously
outstanding.

         In case this Note shall be mutilated, destroyed, lost or stolen and
shall become or be about to become due and payable or be about to be prepaid by
the Company, the Company in its discretion may, instead of issuing a new note,
pay or prepay this Note.

         Upon the issuance of any new note under this Section, the Company may
require the payment of a sum sufficient to cover any tax or other governmental
charge that may be imposed in relation thereto and any other expenses (including
the fees and expenses of any agent) connected therewith.

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         The provisions of this Section are exclusive and shall preclude (to the
extent lawful) all other rights and remedies with respect to the replacement or
payment of this Note if this Note shall be mutilated, destroyed, lost or stolen.

9. PERSONS DEEMED OWNERS.

         Prior to due presentment of this Note for registration of transfer or
assignment, the Company may treat the Person in whose name this Note is
registered as the owner of such Note for the purpose of receiving payment of the
Penalty and Default Payment, if any, in respect of this Note and for all other
purposes.

10.      DEFINITIONS.

         For the purposes of this Note, the terms defined in this Section have
the meanings assigned to them in this Section.

         "Authorized Representative" has the meaning specified in Section 4(b).

         "Company" means Inverness Medical Technology, Inc, a Delaware
corporation.

         "Debt" means (i) all obligations of the Company for borrowed money,
including, without limitation, the obligation evidenced by this Note, (ii) all
obligations of the Company evidenced by bonds, debentures, notes or other
similar instruments, other than any account payable or other obligation incurred
in the ordinary course of business in connection with the obtaining of materials
or services, (iii) all obligations of the kind set forth in (i) and (ii) above,
of others secured by a lien on any asset of the Company, whether or not such
obligation is assumed by the Company, (iv) all obligations of the Company
pursuant to capitalized leases, and (v) all obligations of the kind set forth in
(i), (ii) or (iv) above of others for the payment of which the Company is
responsible or liable as obligor or guarantor, and all of the Company's
liabilities or obligations with respect thereto.

         "Default Payment" has the meaning specified in Section 4(b).

         "Depository Bank" means a commercial bank having a combined capital and
surplus of at least $100,000,000.

         "Event of Default" has the meaning specified in Section 4(a).

         "Holder" means the Person listed on the first page hereof as the
Initial Holder while this Note is registered in the Note Register in such
Person's name or any transferee of this Note properly registered in the Note
Register in accordance with Section 7 and the Securities Purchase Agreement.

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         "Initial Holder" means the Person listed on the first page hereof as
the Initial Holder.

         "Issue Date" means the date on which this Note was originally issued or
deemed issued as set forth on the face of this Note.

         "Issue Price" means, in connection with the original issuance of this
Note, the amount set forth on the face of this Note, and means, in connection
with the original issuance of any other Outstanding Notes, the amount as set
forth on the faces thereof.

         "Note Register" and "Note Registrar" have the respective meanings
specified in Section 8.

         "Notice of Default" has the meaning specified in Section 4(b).

         "Outstanding Notes" means, as of the date of determination, any of the
subordinated notes issued by the Company pursuant to the Securities Purchase
Agreement, except any such Notes for whose prepayment money in the necessary
amount has theretofore been set aside and segregated in trust by the Company for
holders of such Notes as set forth in Section 2(d) hereof, PROVIDED that, if
such Notes are to be prepaid, notice of such prepayment has been duly given.

         "Penalty" has the meaning set forth in Section 2(a).

         "Person" means any individual, corporation, partnership, joint venture,
association, joint-stock company, trust, unincorporated organization or
government or any agency or political subdivision thereof.

         "Securities Purchase Agreement" means the Securities Purchase Agreement
dated as of ___________, 2000 among the Company, the Initial Holder of this Note
and certain others.

         "Senior Indebtedness" means the principal of (and premium, if any) and
interest on (including interest accruing after the filing of a petition
initiating any proceeding pursuant to any bankruptcy law, but only to the extent
allowed or permitted to the holder of such Debt against the bankruptcy or any
other insolvency estate of the Company in such proceeding) and other amounts due
on or in connection with any Debt incurred, assumed or guaranteed by the
Company, whether outstanding on the date hereof or thereafter incurred, assumed
or guaranteed and all renewals, extensions and refundings of any such Debt;
PROVIDED, HOWEVER, that the following will not constitute Senior Indebtedness:
(a) any Debt as to which, in the instrument creating the same or evidencing the
same or pursuant to which the same is outstanding, it is expressly provided that
such Debt shall be subordinated to any other Debt of the Company, unless such
instrument expressly provides that such Debt shall be senior in right of payment
to the Outstanding Notes; (b) any Debt of the Company that, by its terms, states
that such Debt shall not be senior in right of payment to the Outstanding Notes;
(c) Debt of the Company in respect of the Outstanding Notes; (d) Debt in respect
of the Subordinated Revenue Royalty Notes issued during 1997 by the Company,
which Debt shall be PARI PASSU with the Debt of the Company in

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respect of the Outstanding Notes; (e) any Debt of the Company to any affiliate
or subsidiary of the Company; (f) any trade payables; and (g) any Debt incurred
in violation of this Note or the Securities Purchase Agreement.

11. MISCELLANEOUS.

         (a) HOLDER TO BE BOUND; COMPANY'S SUCCESSORS AND ASSIGNS. By acceptance
of this Note, the Holder agrees to be bound by the terms hereof. All covenants
and agreements in this Note by the Company shall bind its legal representatives,
successors and assigns, whether so expressed or not.

         (b) SEVERABILITY. If any provision of this Note shall be determined to
be invalid, illegal or otherwise unenforceable by any court of competent
jurisdiction, the validity, legality and enforceability of the other provisions
of this Note shall not be affected thereby. Any invalid, illegal or
unenforceable provision of this Note shall be severable, and after any such
severance, all other provisions hereof shall remain in full force and effect.

         (c) BENEFITS OF THIS NOTE. Nothing in this Note, express or implied,
shall give to any Person, other than the Holder, the Company and their legal
representatives, successors and assigns hereunder, any benefit or any legal or
equitable right, remedy or claim under this Note.

         (d) NOTICES. Any notice, consent, approval, demand or other
communication in connection with this Note shall be deemed to be given if given
in accordance with the provisions of the Securities Purchase Agreement. Where
this Note provides for notice in any manner, such notice may be waived in
writing by the Person entitled to receive such notice, either before or after
the event, and such waiver shall be the equivalent of such notice.

         (e) AMENDMENTS. This Note may only be amended in writing with the
written consent of the Company and either (i) the holders of Notes constituting
at least a majority of the then outstanding principal amount of the Notes at
that time or (ii) the Authorized Representative. Notwithstanding the immediately
preceding sentence, in addition to the consent required by such sentence, the
written consent of the Holder hereof is required to amend the Penalty, the
Default Payment or the provisions of Sections 1, 2 and 3 hereof.

                                       12

<PAGE>

         (f) GOVERNING LAW. This Note shall be governed by and construed in
accordance with the laws of The Commonwealth of Massachusetts without regard to
its principles of conflicts of laws.

         (g) TAX TREATMENT. The Holder agrees that the fair market value of this
Note shall be the amount specified by the Company pursuant to the Securities
Purchase Agreement and covenants to treat such amount as the issue price of this
Note for all tax purposes, including the filing of all tax returns and reports.

                                  INVERNESS MEDICAL TECHNOLOGY, INC.

                                  By:
                                     ------------------------------------
                                     Name:
                                     Title:<PAGE>

                                                                  Exhibit 10.37

                                 FORM OF WARRANT

<PAGE>

                                    EXHIBIT D
                                 FORM OF WARRANT

                       INVERNESS MEDICAL TECHNOLOGY, INC.
                          COMMON STOCK PURCHASE WARRANT

No. of Shares:                                        Date:              , 2000

                     The Transferability of this Warrant is
                       Restricted as Provided in Article 3

         For good and valuable consideration, the receipt of which is hereby
acknowledged, INVERNESS MEDICAL TECHNOLOGY, INC., a Delaware corporation (the
"Company") hereby grants the right to purchase, until the tenth anniversary of
the date hereof, up to _____ fully paid and non-assessable shares (the "Warrant
Shares") of the Company's Common Stock, $.001 par value ("Common Stock").

         This Warrant is exercisable at a price of $______ per share of Common
Stock issuable hereunder (the "Exercise Price") payable in cash or by certified
or official bank check in Boston Clearing House funds. Upon the undersigned's
surrender of this Warrant with the annexed Subscription Form duly executed,
together with payment of the Exercise Price for the shares of Common Stock being
purchased, at the Company's principal executive offices (currently located at
200 Prospect Street, Waltham, Massachusetts 02453) the undersigned shall be
entitled to receive a certificate or certificates for the shares of Common Stock
so purchased.

1.       EXERCISE OF WARRANT.

         The purchase rights represented by this Warrant are exercisable at the
option of the undersigned, in whole or in part (but not as to fractional shares
of the Common Stock), during any period in which this Warrant may be exercised
as set forth above. In the case of the purchase of less than all the shares of
Common Stock purchasable under this Warrant, the Company shall cancel this
Warrant upon the surrender hereof and shall execute and deliver a new Warrant of
like tenor for the balance of the shares of Common Stock purchasable hereunder.

2.       ISSUANCE OF STOCK CERTIFICATES.

<PAGE>

         The issuance of certificates for shares of Common Stock upon the
exercise of this Warrant shall be made without charge to the undersigned
including, without limitation, any tax which may be payable in respect thereof,
and such certificates shall (subject to the provisions of Article 3 hereof) be
issued in the name of, or in such names as may be directed by, the undersigned;
provided, however, that the Company shall not be required to pay any tax which
may be due with respect to any transfer involved in the issuance and delivery of
any such certificate in a name other than that of the undersigned, and the
Company shall not be required to issue or deliver such certificates unless or
until the person or persons requesting the issuance thereof shall have paid to
the Company the amount of such tax or shall have established to the satisfaction
of the Company that such tax has been paid.

3.       RESTRICTION ON TRANSFER OF WARRANT.

         The undersigned as holder of this Warrant, by its acceptance hereof,
covenants and agrees that this Warrant is being acquired as an investment and
not with a view to the distribution thereof, and that the Warrant will not be
sold, transferred, assigned, hypothecated or otherwise disposed of except as
permitted by the Securities Purchase Agreement pursuant to which this Warrant
was issued.

4.       REPLACEMENT OF WARRANT.

         Upon receipt by the Company of evidence reasonably satisfactory to it
of the loss, theft, destruction or mutilation of this Warrant, and, in case of
loss, theft or destruction, of indemnity or security reasonably satisfactory to
the Company, and reimbursement to the Company of all reasonable expenses
incidental thereto, and upon surrender and cancellation of this Warrant, if
mutilated, the Company will make and deliver a new Warrant of like tenor, in
lieu of this warrant.

5.       ADJUSTMENTS IN EXERCISE PRICE.

         In the event the Company: (i) pays a dividend in Common Stock or makes
a distribution in Common Stock, (ii) subdivides its outstanding Common Stock
into a greater number of shares, (iii) combines its outstanding Common Stock
into a smaller number of shares or (iv) increases or decreases the number of
shares of Common Stock outstanding by reclassification of its Common Stock
(including a recapitalization in connection with a consolidation or merger in
which the Company is the continuing corporation), then (1) the Exercise Price on
the record date of such division or distribution or the effective date of such
action shall be adjusted by multiplying such Exercise Price by a fraction, the
numerator of which is the number of shares of Common Stock outstanding
immediately before such event and the denominator of which is the number of
shares of Common Stock outstanding immediately after such event, and (2) the
number of shares of Common Stock for which this Warrant may be exercised
immediately before such event shall be adjusted by multiplying such number by a
fraction, the numerator of which is the Exercise Price immediately before such
event and the denominator of which is the Exercise Price immediately after such
event, such that the aggregate Exercise Price for all shares of

                                       2

<PAGE>

Common stock issuable pursuant to this Warrant immediately after such event
shall equal the aggregate Exercise Price for all shares of Common Stock issuable
pursuant to this Warrant immediately before such event.

6.       RESERVATION AND LISTING OF SHARES.

         The Company shall at all times reserve and keep available out of its
authorized Common Stock shares of Common Stock solely for the purpose of
issuance upon the exercise of this Warrant. The Company covenants and agrees
that, upon exercise of this Warrant and payment of the Exercise Price therefor,
all shares of Common stock issuable upon such exercise shall be duly and validly
issued, fully paid and non-assessable. If applicable, as long as this Warrant
shall be outstanding, the Company shall use its best efforts to cause all shares
of Common Stock issuable upon the exercise of this Warrant to be listed (subject
to official notice of issuance) on all securities exchanges on which the Common
Stock is then listed. This Warrant and the Warrant Shares are subject to
dilution by the issuance of additional securities by the Company.

7.       NOTICES TO WARRANT HOLDER.

         Nothing contained in this Warrant shall be construed as conferring upon
the holder hereof the right to vote the Warrant Shares prior to their issuance
or any other rights as a stockholder of the Company.

8.       NOTICES.

         All notices, requests, consents and other communications hereunder
shall be in writing and shall be deemed to have been duly made when delivered,
or mailed by registered or certified mail, return receipt requested:

             (a) If to the registered holder of this Warrant, to the address of
such holder as shown on the books of the Company; or

             (b) If to the Company, to the address set forth on the first page
of this Warrant or such other address previously given to the holder or holders.

9.       SUCCESSORS.

         All the covenants, agreements, representations and warranties contained
in this Warrant shall bind the parties hereto and their respective heirs,
executors, administrators, distributees, successors and assigns.

10.      HEADINGS.

         The Article and Section headings in this Warrant are inserted for
purposes of convenience only and shall have no substantive effect.

                                       3
<PAGE>

11.      LAW GOVERNING.

         This Warrant shall be construed and enforced in accordance with, and
governed by, the laws of The Commonwealth of Massachusetts without giving effect
to the conflict of laws provisions thereof.

12.      LEGEND.

         (a) THIS WARRANT IS SUBJECT TO RESTRICTIONS ON TRANSFER AS SET FORTH IN
THE SECURITIES PURCHASE AGREEMENT AMONG THE REGISTERED OWNER OF THIS WARRANT AND
CERTAIN OTHERS. ANY TRANSFEREE OF A HOLDER OF THIS WARRANT SHALL, AS A CONDITION
OF SUCH TRANSFER, BE REQUIRED TO BECOME A PARTY TO SUCH AGREEMENT. THE COMPANY
WILL FURNISH A COPY OF THE AGREEMENT TO THE HOLDER OF THIS WARRANT UPON REQUEST
WITHOUT CHARGE.

         THIS WARRANT HAS BEEN ACQUIRED FOR INVESTMENT AND HAS NOT BEEN
REGISTERED UNDER THE UNITED STATES SECURITIES ACT OF 1933, AS AMENDED, AND
EXCEPT AS SET FORTH IN SUCH AGREEMENT MAY NOT BE SOLD, PLEDGED, HYPOTHECATED OR
OTHERWISE TRANSFERRED UNLESS (i) A REGISTRATION STATEMENT WITH RESPECT THERETO
IS EFFECTIVE UNDER SAID ACT OR (ii) THE COMPANY HAS RECEIVED AN OPINION OF
COUNSEL REASONABLY SATISFACTORY TO THE COMPANY THAT SUCH REGISTRATION IS NOT
REQUIRED.

         (b) The Company may include or cause to be included on the stock
certificates evidencing the Warrant Shares the following legend:

         THE SHARES REPRESENTED BY THIS CERTIFICATE HAVE NOT BEEN REGISTERED
UNDER THE UNITED STATES SECURITIES ACT OF 1933, AS AMENDED, OR CERTAIN STATE
SECURITIES LAWS. THE SHARES MAY NOT BE SOLD OR OFFERED FOR SALE IN THE ABSENCE
OF AN EFFECTIVE REGISTRATION STATEMENT FOR THE SHARES UNDER THE ACT AND SUCH
STATE LAWS AS MAY BE APPLICABLE, OR DELIVERY TO THE COMPANY OF AN OPINION OF
COUNSEL SATISFACTORY TO THE COMPANY THAT SUCH REGISTRATION IS NOT REQUIRED.

                                       4

<PAGE>

                                   INVERNESS MEDICAL TECHNOLOGY, INC.

                                   By:
                                      ----------------------------------------
                                      Name:
                                      Title:

                                       5

<PAGE>

                                SUBSCRIPTION FORM

                    (To be Executed by the Registered Holder
                       in order to Exercise this Warrant)

         The undersigned hereby irrevocably elects to exercise the right to
purchase ______ shares of Common Stock covered by this Warrant according to the
conditions hereof and herewith makes payment of the Exercise Price of such
shares in full.

                                            Signature

                                             Address

Dated: ____________________, 20__

                                       6

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