Document:

EXHIBIT 4.2

                              EMPLOYMENT AGREEMENT
                              --------------------

THIS AGREEMENT is entered into as of the 27th day of _October, 2003, by and
between __TISSERA_, INC., a company incorporated under the laws of the State of
Washington and maintaining its principal place of business at c/o Abramovich,
Yosef, Hakim "Toyota Towers" 65 Igal Alon St. Tel-Aviv 67443 ISRAEL the
"COMPANY") and Dr. Vicki Rabenou, Israeli I.D. number 05642601-8, residing at 49
Hanof street Savion_, Israel (the "EXECUTIVE"). WHEREAS: The Company is engaged,
inter alia, in the research, development, manufacturing and marketing of methods
of organ transplantation utilizing developing nephric and other types of
tissues; and

WHEREAS:    The Company desires to employ the Executive as the Chief Executive
            Officer (the "CEO") of the Company, and the Executive represents
            that she has the requisite skill and knowledge to serve as the CEO
            of the Company and she desires to engage in such employment,
            according to the terms and conditions hereinafter set forth.

NOW, THEREFORE, in consideration of the respective agreements of the parties
contained herein, the parties agree as follows:

1.    EMPLOYMENT

      (a)   The Company agrees to employ the Executive and the Executive agrees
            to be employed by the Company on the terms and conditions set out in
            this Agreement.

      (b)   The Executive shall be employed as the CEO. The Executive shall
            perform the duties, undertake the responsibilities and exercise the
            authority customarily performed, undertaken and exercised by persons
            situated in a similar capacity, subject to the direction of the
            Board of Directors of the Company. The Executive shall report
            regularly to the Board of Directors with respect to her activities.

      (c)   The Executive shall participate in all the meetings of the Board of
            Directors, as an observer, without any voting rights.

      (d)   Excluding periods of vacation, sick leave and military reserve
            service to which the Executive is entitled or required, the
            Executive agrees to devote her time and attention to the business
            and affairs of the Company and its subsidiaries as required to
            discharge the responsibilities assigned to the Executive hereunder.

      (e)   This Agreement is a personal services agreement governing the
            employment relationship between the parties hereto. This Agreement
            shall not be subject to any general or special collective employment
            agreement relating to executives in any trade or position that is
            the same or similar to the Executive's, unless specifically provided
            herein.

      (f)   The Executive's position, duties and responsibilities hereunder
            shall be in the nature of management duties that demand a special
            degree of personal loyalty and the terms of Executive's employment
            hereunder shall not permit application to this Agreement of the Law
            of Work Hours and Rest 5711 - 1951. Accordingly, the statutory
            limitations of such law shall not apply to this Agreement. The
            Executive shall not be entitled to additional compensation from the
            Company for working additional hours or working on holidays or
            Sabbaths, as required by the Company.

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2.    BASE SALARY

      (a)   The Company agrees to pay to the Executive during the term of this
            Agreement a cost of salary of 25,000 New Israeli Shekels ("NIS") per
            month (the "BASE SALARY").

      (b)   Not later than June 1, 2004, the Base Salary shall be increased to a
            minimum of 50,000 shekels per month or such higher amount as
            determined by the Board of Directors.

             The Base Salary shall be payable monthly in arrears, no later than
             the 10th day of each month. (c) Each monthly payment of Base Salary
             shall be adjusted to the consumer index rate as published on the
             date of payment.

      (d)   Bonus: Commencing the second year of Employee's engagement with the
            Company (the bonus will be paid at the end of the respective year),
            Executive shall be entitled to a yearly bonus, provided however that
            Employee shall meet the Company's goals and targets as shall be
            specified by the Board of Directors in each annual budget.

      (e)   Yearly salary review and raise will be decided by the board

3.    STOCK OPTION

      (a)   Subject to applicable law, the Company hereby undertakes to grant to
            Executive an option (the "OPTION") under the Company's Share Option
            Plan (a copy of which is attached hereto as Exhibit "A"). The Option
            shall entitle the Executive to purchase such number of Ordinary
            Shares of the Company ("ORDINARY SHARES") representing five percent
            (5%) of the Company's issued and outstanding share capital, on a
            fully diluted and as converted basis, calculated as of the date of
            grant (as of the date of completion of the initial investment in the
            public company. The Option shall vest and become exercisable in 36
            equal (monthly linear) installments of 1/36 of the 5% starting as
            follows: 6/36 of the 5% at the end of the 6th month from signing
            this agreement and additional 30 installments of 1/36 of the 5% at
            the end of each month starting the 7th month from signing this
            agreement. at the end of each month respectively from the date of
            grant and shall be exercisable by the Executive at any time during a
            period of five (5) years as of the date of grant, but in any case
            not later than six (6) months after termination of this Agreement

      (b)   Notwithstanding the foregoing, termination of this Agreement by
            reason of disability (as defined below) or death of the Executive
            will not, in any way, impair and/or derogate from the Executive's
            right to exercise the Option. The term "disability" shall mean, any
            physical or mental injury as result of which, the Executive remain
            incapable of performing the services for a period of three (3)
            consecutive months.

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4.    EXECUTIVE BENEFITS

      The Executive shall be entitled to the following benefits:

      (a)   Sick Leave. The Executive shall be entitled to fully paid sick leave
            pursuant to the Sick Pay Law 5736 - 1976.

      (b)   Vacation. The Executive shall be entitled to an annual vacation of
            23 working days per year.. Unused vacation may be accumulated from
            year to year but not more than 3 years.

      (c)   The CEO shall be entitled to Recreation pay according to applicable
            law, but not less than 10 recreation days a year.

      (d)   Manager's Insurance. The Company shall obtain on behalf of the
            Executive a manager's insurance policy, a pension fund or a
            combination thereof (the "MANAGER'S INSURANCE POLICY"), as
            determined by the Executive, in the name of the Executive, and shall
            fund the Manager's Insurance Policy as follows: 8.33% of the
            Executive's Base Salary shall be allocated to severance pay; 5% of
            the Executive's Base Salary shall be allocated to pension fund
            payments, provided that the Executive contributes an additional 5%
            of the Executive's Base Salary; and 2.5% of the Executive's Base
            Salary shall be allocated to disability pension payments.

            If the Executive chooses a combination of manager's insurance and
            pension fund, the contributions to the pension fund shall be as
            follows: 8.33% allocated to severance pay; 6% contribution to the
            providence fund by the Company; and 5.5% contribution to the
            providence fund by the Executive.

            Contribution of the Company to the Manager's Insurance Policy shall
            be on account of the Company's severance pay obligations.

      (e)   Continuing Education Fund. The Company shall contribute a sum equal
            to 7.5% of the Executive's gross salary toward a continuing
            education fund (the "CONTINUING EDUCATION FUND"), provided that the
            Executive contributes an additional 2.5% of the Executive's gross
            salary to such Continuing Education Fund. Use of the funds in the
            Continuing Education Fund shall be in accordance with its by-laws.
            (f) The company will pay the CEO for the traveling expenses in her
            private car (according to Heshev's rate)calculated each month
            according to the reading of the milage between the end and the
            beginning of the month less 10% private use.

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      (g)   Telephone Costs; Cellular Phone. In recognition of the necessity of
            the use of cellular phone to the efficient and expeditious
            performance of the Executive's services, duties and obligations to
            and on behalf of the Company, the Company shall provide the
            Executive, at the Company's sole cost and expense, a cellular phone
            (with working line) to be chosen by the company, (including grossing
            up for purposes of income tax).

      (h)   Company will provide the CEO with a telephone line at her home, for
            use by the CEO, and will cover all expenses related to this line
            (including grossing up for purposes of income tax).

      (i)   The Company will cover the CEO's expense regarding membership fee of
            the Medical Organization (Histadrut Refuit).

      (j)   Out of Pocket Expenses. The Company shall pay or reimburse the
            Executive for expenses incurred on behalf of the Company during
            business trips outside Israel (including airline tickets and
            accomodation). Reimbursement of such reimburseable expenses shall be
            made upon the presentation by the Executive to the Company of
            itemized accounts or receipts, satisfactory to the Company.

      (k)   Officers' Liability Insurance. The Company shall obtain on behalf of
            the Executive officers liability insurance and shall provide the
            Executive with a written undertaking to indemnify and release the
            Executive in accordance with the Companies Law 5759-1999.

5.    TERMINATION

      (a)   Either party may terminate this Agreement and the employee-employer
            relationship between the Executive and the Company at any time upon
            sixty (60) days (the "NOTICE PERIOD") written notice to the other
            party specifying the effective date of termination (the "TERMINATION
            DATE").

      (b)   During such Notice Period following termination of this Agreement by
            the Company, the Executive shall be entitled to compensation
            pursuant to Section 2 and to all of the benefits set forth in
            Section 4. During such Notice Period following termination of this
            Agreement by the Executive, the Executive shall be entitled to
            compensation pursuant to Sections 2, 3 and 4 up to the date of the
            executive's notice. Without derogating from the above, after
            termination of the Notice Period, the Executive shall be entitled to
            payment of her Base Salary, executive benefits and stock options as
            set forth in Sections 2, and 4 for an additional period of three
            months.

      (c)   During the Notice Period, the Executive shall transfer her position
            to her replacement in an orderly and complete manner and shall
            return to the Company all documents, professional literature and
            equipment belonging to the Company, which may be in her possession
            at such time.

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<PAGE>

      (d)   At the end of the Notice Period, the Company shall transfer to the
            Executive ownership of her Manager's Insurance Policy, including
            severance payments and Continuing Education Fund. The Company and
            Executive agree and acknowledge that in the event the Company
            transfers ownership of Executive's Manager's Insurance Policy to the
            Executive, the severance portion thereof shall constitute payment
            towards any severance pay the Company may be required to pay to the
            Executive pursuant to the Severance Pay Law 5727-1963.

6.    COMPETITIVE ACTIVITY

            During the term of this Agreement [and for a period of twelve (12)
            months from the Termination Date of this Agreement,] the Executive
            will not directly or indirectly:

            (i)   Carry on or hold an interest in any company, venture, entity
                  or other business (other than a minority interest in a
                  publicly traded company) which competes with the products or
                  services of the Company or its subsidiaries, including those
                  products or services contemplated in a plan adopted by the
                  Board of Directors of the Company or its subsidiaries (a
                  "competing business");

            (ii)  Act as a consultant or executive or officer or in any
                  managerial capacity in a competing business or supply in
                  competition with the Company or its subsidiaries services
                  ("restricted services") to any person who, to her knowledge,
                  was provided with services by the Company or its subsidiaries
                  any time during the twelve (12) months immediately prior to
                  the Termination Date;

            (iii) Solicit, canvass or approach or endeavor to solicit, canvass
                  or approach any person who, to her knowledge, was provided
                  with services by the Company or its subsidiaries at any time
                  during the twelve (12) months immediately prior to the
                  Termination Date, for the purpose of offering restricted
                  services or products which compete with the products supplied
                  by the Company or its subsidiaries at the Termination Date; or

            (iv)  Employ, solicit or entice away or endeavor to solicit or
                  entice away from the Company or its subsidiaries any person
                  employed by the Company or its subsidiaries any time during
                  the twelve (12) months immediately prior to the Termination
                  Date with a view to inducing that person to leave such
                  employment and to act for another employer in the same or a
                  similar capacity.

7.    NOTICE

       For the purpose of this Agreement,  notices and all other  communications
       provided for in the Agreement  shall be in writing and shall be deemed to
       have been duly  given when  personally  delivered  or sent by  registered
       mail,  postage prepaid,  addressed to the respective  addresses set forth
       below or last  given by each party to the other,  except  that  notice of
       change of address shall be effective only upon receipt.

      The initial addresses of the parties for purposes of this Agreement
shall be as follows:

        The Company:                     c/o Abramovich, Yosef, Hakim "Toyota
                                         Towers" 65 Igal Alon St. Tel-Aviv 67443
                                         ISRAEL

        The Executive:                   49 Hanof street Savion Israel 56540

8.    MISCELLANEOUS

      (a)   This agreement is subject to approval by the board of directors of
            the Company.

      (b)   No provision of this Agreement may be modified, waived or discharged
            unless such waiver, modification or discharge is agreed to in
            writing and signed by the Executive and the Company. No waiver by
            either party hereto at any time of any breach by the other party
            hereto of, or compliance with, any condition or provision of this
            Agreement to be performed by such other party shall be deemed a
            waiver of similar or dissimilar provisions or conditions at the same
            or at any prior or subsequent time.

      (c)   This Agreement shall be governed by and construed and enforced in
            accordance with the laws of the State of Israel.

      (d)   The provisions of this Agreement shall be deemed severable and the
            invalidity or unenforceability of any provision shall not affect the
            validity or enforceability of the other provisions hereof.

      (e)   This Agreement constitutes the entire agreement between the parties
            hereto and supersedes all prior agreements, understandings and
            arrangements, oral or written, between the parties hereto with
            respect to the subject matter hereof. No agreement or
            representations, oral or otherwise, express or implied, with respect
            to the subject matter hereof have been made either party which are
            not expressly set forth in this Agreement.

      (f)   This Agreement shall be binding upon and shall inure to the benefit
            of the Company, its successors and assigns, and the Company shall
            require such successor or assign to expressly assume and agree to
            perform this Agreement in the same manner and to the same extent
            that the Company would be required to perform it if no such
            succession or assignment had taken place. The term "SUCCESSORS AND
            ASSIGNS" as used herein shall mean a corporation or other entity
            acquiring all or substantially all the assets and business of the
            Company (including this Agreement) whether by operation of law or
            otherwise.

      (g)   Neither this Agreement nor any right or interest hereunder shall be
            assignable or transferable by the Executive, his beneficiaries or
            legal representatives, except by will or by the laws of descent and
            distribution. This Agreement shall inure to the benefit of and be
            enforceable by the Executive's legal personal representative.

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      (h)   The provisions of Section 6 of this Agreement shall survive the
            rescission or termination, for any reason, of this Agreement, and
            shall survive the termination of the Executive's employment with the
            Company.

      (i)   The section headings contained herein are for reference purposes
            only and shall not in any way affect the meaning or interpretation
            of this Agreement.

IN WITNESS  WHEREOF,  the parties have executed this Agreement as of the day and
year first above written.

TISSERA, INC.                                    DR. VICKI RABENOU

----------------------------------------------------

BY: BOB PICO

TITLE: DIRECTORExhibit 4.3

NEITHER THIS WARRANT NOR THE SHARES OF COMMON STOCK ISSUABLE UPON EXERCISE
HEREOF HAVE BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED, OR ANY
APPLICABLE STATE SECURITIES LAW AND NEITHER MAY BE SOLD OR OTHERWISE TRANSFERRED
UNTIL (I) A REGISTRATION STATEMENT UNDER SUCH SECURITIES ACT AND SUCH APPLICABLE
STATE SECURITIES LAWS SHALL HAVE BECOME EFFECTIVE WITH REGARD THERETO, OR (II)
THE COMPANY SHALL HAVE RECEIVED A WRITTEN OPINION OF COUNSEL ACCEPTABLE TO THE
COMPANY TO THE EFFECT THAT REGISTRATION UNDER SUCH SECURITIES ACT AND SUCH
APPLICABLE STATE SECURITIES LAWS IS NOT REQUIRED IN CONNECTION WITH SUCH
PROPOSED TRANSFER.

                                  TISSERA, INC.

                          COMMON STOCK PURCHASE WARRANT

                                                                  270,540 shares

                       Original Issue Date: ________, 2004

         THIS CERTIFIES THAT, FOR VALUE RECEIVED, Robert G. Pico or its
registered assigns ("HOLDER") is entitled to purchase, on the terms and
conditions hereinafter set forth, at any time or from time to time from the date
hereof until 5:00 p.m., Eastern Time, on the three (3) year anniversary of the
Original Issue Date set forth above, or if such date is not a day on which the
Company (as hereinafter defined) is open for business, then the next succeeding
day on which the Company is open for business (such date is the "EXPIRATION
DATE"), but not thereafter, to purchase up to two hundred seventy thousand five
hundred forty (270,540) shares of the Common Stock, par value $.0001 per share,
(the "COMMON STOCK"), of TISSERA, INC., a Washington corporation (the
"COMPANY"), at $1.00 per share (the "EXERCISE PRICE"), provided, however, that
this warrant shall vest at the rate of 22,545 shares of common stock every three
months during the term of this warrant. Such number of shares and Exercise Price
being subject to adjustment upon the occurrence of the contingencies set forth
in this Warrant. Each share of Common Stock as to which this Warrant is
exercisable is a "WARRANT SHARE" and all such shares are collectively referred
to as the "WARRANT SHARES."

     SECTION 1. EXERCISE OF WARRANT.

         (a) This Warrant may, at the option of Holder, be exercised in whole or
in part from time to time, by delivery to the Company at its office at Tissera,
Inc., c/o Abramovich, Yosef, Hakim, Toyota Towers, 65 Yigal Alon St., Tel Aviv
67443 Israel Attention: Chief Executive Officer, on or before 5:00 p.m., Eastern
Time (i) a written notice of such Holder's election to exercise this Warrant
(the "EXERCISE NOTICE"), which notice may be in the form of the Notice of
Exercise attached hereto, properly executed and completed by Holder or an
authorized officer thereof, (ii) a check payable to the order of the Company, in
an amount equal to the product of the Exercise Price MULTIPLIED BY the number of
Warrant Shares specified in the Exercise Notice, AND (iii) this Warrant (the
items specified in (i), (ii), and (iii) are collectively the "EXERCISE
MATERIALS").

         (b) As promptly as practicable, and in any event within two (2)
business days after its receipt of the Exercise Materials, the Company shall
execute or cause to be executed and delivered to Holder a certificate or
certificates representing the number of Warrant Shares specified in the Exercise
Notice, together with cash in lieu of any fraction of a share, and if this
Warrant is partially exercised, a new warrant on the same terms for the
unexercised balance of the Warrant Shares. The stock certificate or certificates
shall be registered in the name of Holder or such other name or names as shall
be designated in the Exercise Notice. The date on which the Warrant shall be
deemed to have been exercised (the "EFFECTIVE DATE"), and the date the person in
whose name any certificate evidencing the Common Stock issued upon the exercise
hereof is issued shall be deemed to have become the holder of record of such
shares, shall be the date the Company receives the Exercise Materials,
irrespective of the date of delivery of a certificate or certificates evidencing
the Common Stock issued upon the exercise hereof, PROVIDED, HOWEVER, that if the
Exercise Materials are received by the Company on a date on which the stock
transfer books of the Company are closed, the Effective Date shall be the next
succeeding date on which the stock transfer books are open. All shares of Common
Stock issued upon the exercise of this Warrant will, upon issuance, be fully
paid and non-assessable and free from all taxes, liens, and charges with respect
thereto.

<PAGE>

     SECTION 2. ADJUSTMENTS TO WARRANT SHARES. The number of Warrant Shares
issuable upon the exercise hereof shall be subject to adjustment as follows:

         (a) In the event the Company is a party to a consolidation, share
exchange, or merger, or the sale of all or substantially all of the assets of
the Company to, any person, or in the case of any consolidation or merger of
another corporation into the Company in which the Company is the surviving
corporation, and in which there is a reclassification or change of the shares of
Common Stock of the Company, this Warrant shall after such consolidation, share
exchange, merger, or sale be exercisable for the kind and number of securities
or amount and kind of property of the Company or the corporation or other entity
resulting from such share exchange, merger, or consolidation, or to which such
sale shall be made, as the case may be (the "SUCCESSOR COMPANY"), to which a
holder of the number of shares of Common Stock deliverable upon the exercise
(immediately prior to the time of such consolidation, share exchange, merger, or
sale) of this Warrant would have been entitled upon such consolidation, share
exchange, merger, or sale; and in any such case appropriate adjustments shall be
made in the application of the provisions set forth herein with respect to the
rights and interests of Holder, such that the provisions set forth herein shall
thereafter correspondingly be made applicable, as nearly as may reasonably be,
in relation to the number and kind of securities or the type and amount of
property thereafter deliverable upon the exercise of this Warrant. The above
provisions shall similarly apply to successive consolidations, share exchanges,
mergers, and sales. Any adjustment required by this Section 2 (a) because of a
consolidation, share exchange, merger, or sale shall be set forth in an
undertaking delivered to Holder and executed by the Successor Company which
provides that Holder shall have the right to exercise this Warrant for the kind
and number of securities or amount and kind of property of the Successor Company
or to which the holder of a number of shares of Common Stock deliverable upon
exercise (immediately prior to the time of such consolidation, share exchange,
merger, or sale) of this Warrant would have been entitled upon such
consolidation, share exchange, merger, or sale. Such undertaking shall also
provide for future adjustments to the number of Warrant Shares and the Exercise
Price in accordance with the provisions set forth in Section 2 hereof.

         (b) In the event the Company should at any time, or from time to time
after the Original Issue Date, fix a record date for the effectuation of a stock
split or subdivision of the outstanding shares of Common Stock or the
determination of holders of Common Stock entitled to receive a dividend or other
distribution payable in additional shares of Common Stock, or securities or
rights convertible into, or entitling the holder thereof to receive directly or
indirectly, additional shares of Common Stock (hereinafter referred to as
"COMMON STOCK EQUIVALENTS") without payment of any consideration by such holder
for the additional shares of Common Stock or the Common Stock Equivalents
(including the additional shares of Common Stock issuable upon exercise or
exercise thereof), then, as of such record date (or the date of such dividend,
distribution, split, or subdivision if no record date is fixed), the number of
Warrant Shares issuable upon the exercise hereof shall be proportionately
increased and the Exercise Price shall be appropriately decreased by the same
proportion as the increase in the number of outstanding Common Stock Equivalents
of the Company resulting from the dividend, distribution, split, or subdivision.
Notwithstanding the preceding sentence, no adjustment shall be made to decrease
the Exercise Price below $.0001 per Share.

<PAGE>

         (c) In the event the Company should at any time or from time to time
after the Original Issue Date, fix a record date for the effectuation of a
reverse stock split, or a transaction having a similar effect on the number of
outstanding shares of Common Stock of the Company, then, as of such record date
(or the date of such reverse stock split or similar transaction if no record
date is fixed), the number of Warrant Shares issuable upon the exercise hereof
shall be proportionately decreased and the Exercise Price shall be appropriately
increased by the same proportion as the decrease of the number of outstanding
Common Stock Equivalents resulting from the reverse stock split or similar
transaction.

         (d) In the event the Company should at any time or from time to time
after the Original Issue Date, fix a record date for a reclassification of its
Common Stock, then, as of such record date (or the date of the reclassification
if no record date is set), this Warrant shall thereafter be convertible into
such number and kind of securities as would have been issuable as the result of
such reclassification to a holder of a number of shares of Common Stock equal to
the number of Warrant Shares issuable upon exercise of this Warrant immediately
prior to such reclassification, and the Exercise Price shall be unchanged.

         (e) The Company will not, by amendment of its Certificate of
Incorporation or through reorganization, consolidation, merger, dissolution,
issue, or sale of securities, sale of assets or any other voluntary action, void
or seek to avoid the observance or performance of any of the terms of the
Warrant, but will at all times in good faith assist in the carrying out of all
such terms and in the taking of all such actions as may be necessary or
appropriate in order to protect the rights of Holder against dilution or other
impairment. Without limiting the generality of the foregoing, the Company (x)
will not create a par value of any share of stock receivable upon the exercise
of the Warrant above the amount payable therefor upon such exercise, and (y)
will take all such action as may be necessary or appropriate in order that the
Company may validly and legally issue fully paid and non-assessable shares upon
the exercise of the Warrant.

         (f) When any adjustment is required to be made in the number or kind of
shares purchasable upon exercise of the Warrant, or in the Exercise Price, the
Company shall promptly notify Holder of such event and of the number of shares
of Common Stock or other securities or property thereafter purchasable upon
exercise of the Warrants and of the Exercise Price, together with the
computation resulting in such adjustment.

         (g) The Company covenants and agrees that all Warrant Shares which may
be issued will, upon issuance, be validly issued, fully paid, and
non-assessable. The Company further covenants and agrees that the Company will
at all times have authorized and reserved, free from preemptive rights, a
sufficient number of shares of its Common Stock to provide for the exercise of
the Warrant in full.

     SECTION 3. NO STOCKHOLDER RIGHTS. This Warrant shall not entitle Holder
hereof to any voting rights or other rights as a stockholder of the Company.

     SECTION 4. TRANSFER OF SECURITIES.

         (a) This Warrant and the Warrant Shares and any shares of capital stock
received in respect thereof, whether by reason of a stock split or share
reclassification thereof, a stock dividend thereon, or otherwise, shall not be
transferable except upon compliance with the provisions of the Securities Act of
1933, as amended (the "SECURITIES ACT") and applicable state securities laws
with respect to the transfer of such securities. The Holder, by acceptance of
this Warrant, agrees to be bound by the provisions of Section 4 hereof and to
indemnify and hold harmless the Company against any loss or liability arising
from the disposition of this Warrant or the Warrant Shares issuable upon
exercise hereof or any interest in either thereof in violation of the provisions
of this Warrant.

<PAGE>

         (b) Each certificate for the Warrant Shares and any shares of capital
stock received in respect thereof, whether by reason of a stock split or share
reclassification thereof, a stock dividend thereon or otherwise, and each
certificate for any such securities issued to subsequent transferees of any such
certificate shall (unless otherwise permitted by the provisions hereof) be
stamped or otherwise imprinted with a legend in substantially the following
form:

         "NEITHER THIS WARRANT NOR THE SHARES OF COMMON STOCK ISSUABLE UPON
         EXERCISE HEREOF HAVE BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933,
         AS AMENDED, OR ANY APPLICABLE STATE SECURITIES LAW AND NEITHER MAY BE
         SOLD OR OTHERWISE TRANSFERRED UNTIL (I) A REGISTRATION STATEMENT UNDER
         SUCH SECURITIES ACT AND SUCH APPLICABLE STATE SECURITIES LAWS SHALL
         HAVE BECOME EFFECTIVE WITH REGARD THERETO, OR (II) THE COMPANY SHALL
         HAVE RECEIVED A WRITTEN OPINION OF COUNSEL ACCEPTABLE TO THE COMPANY TO
         THE EFFECT THAT REGISTRATION UNDER SUCH SECURITIES ACT AND SUCH
         APPLICABLE STATE SECURITIES LAWS IS NOT REQUIRED IN CONNECTION WITH
         SUCH PROPOSED TRANSFER."

     SECTION 5. MISCELLANEOUS.

         (a) The terms of this Warrant shall be binding upon and shall inure to
the benefit of any successors or permitted assigns of the Company and Holder.

         (b) Except as otherwise provided herein, this Warrant and all rights
hereunder are transferable by the registered holder hereof in person or by duly
authorized attorney on the books of the Company upon surrender of this Warrant,
properly endorsed, to the Company. The Company may deem and treat the registered
holder of this Warrant at any time as the absolute owner hereof for all purposes
and shall not be affected by any notice to the contrary.

         (c) Notwithstanding any provision herein to the contrary, Holder may
not exercise, sell, transfer, or otherwise assign this Warrant unless the
Company is provided with an opinion of counsel satisfactory in form and
substance to the Company, to the effect that such exercise, sale, transfer, or
assignment would not violate the Securities Act or applicable state securities
laws.

         (d) This Warrant may be divided into separate warrants covering one
share of Common Stock or any whole multiple thereof, for the total number of
shares of Common Stock then subject to this Warrant at any time, or from time to
time, upon the request of the registered holder of this Warrant and the
surrender of the same to the Company for such purpose. Such subdivided Warrants
shall be issued promptly by the Company following any such request and shall be
of the same form and tenor as this Warrant, except for any requested change in
the name of the registered holder stated herein.

         (e) Any notices, consents, waivers, or other communications required or
permitted to be given under the terms of this Warrant must be in writing and
will be deemed to have been delivered (a) upon receipt, when delivered
personally, (b) upon receipt, when sent by facsimile, PROVIDED a copy is mailed
by U.S. certified mail, return receipt requested, (c) three (3) days after being
sent by U.S. certified mail, return receipt requested, or (d) one (1) day after
deposit with a nationally recognized overnight delivery service, in each case
properly addressed to the party to receive the same. The addresses and facsimile
numbers for such communications shall be:

                  If to Company:              Tissera, Inc.
                                              c/o Abramovich, Yosef, Hakim
                                              Toyota Towers
                                              65 Yigal Alon St.
                                              Tel Aviv 67443 Israel
                                              Attention: Chief Executive Officer
                                              Facsimile:  _________________

<PAGE>

         If to Holder, to the registered address of Holder appearing on the
books of the Company. Each party shall provide five (5) days prior written
notice to the other party of any change in address, which change shall not be
effective until actual receipt thereof

         (f) The corporate laws of the State of New York shall govern all issues
concerning the relative rights of the Company and its stockholders. All other
questions concerning the construction, validity, enforcement and interpretation
of this Warrant shall be governed by the internal laws of the State of New York,
without giving effect to any choice of law or conflict of law provision or rule
(whether of the State of New York or any other jurisdictions) that would cause
the application of the laws of any jurisdictions other than the State of New
York. Each party hereby irrevocably submits to the non-exclusive jurisdiction of
the state and federal courts sitting in the federal districts courts located in
the State of New York, for the adjudication of any dispute hereunder or in
connection herewith or with any transaction contemplated hereby or discussed
herein, and hereby irrevocably waives, and agrees not to assert in any suit,
action or proceeding, any claim that it is not personally subject to the
jurisdiction of any such court, that such suit, action or proceeding is brought
in an inconvenient forum or that the venue of such suit, action or proceeding is
improper. Each party hereby irrevocably waives personal service of process and
consents to process being served in any such suit, action or proceeding by
mailing a copy thereof to such party at the address for such notices to it under
this Warrant and agrees that such service shall constitute good and sufficient
service of process and notice thereof. Nothing contained herein shall be deemed
to limit in any way any right to serve process in any manner permitted by law.
If any provision of this Warrant shall be invalid or unenforceable in any
jurisdiction, such invalidity or unenforceability shall not affect the validity
or enforceability of the remainder of this Warrant in that jurisdiction or the
validity or enforceability of any provision of this Warrant in any other
jurisdiction.

                       [Signatures on the following page]

<PAGE>

                                 SIGNATURE PAGE
                                       TO
                                     COMPANY
                          COMMON STOCK PURCHASE WARRANT

         IN WITNESS WHEREOF, the Company, has caused this Warrant to be executed
in its name by its duly authorized officers under seal, and to be dated as of
the date first above written.

                                            TISSERA, INC.

                                            By:
                                                --------------------------------
                                                Name: Vicki Rabenou
                                                Title: Chief Executive Officer

<PAGE>

                                   ASSIGNMENT

              (To be Executed by the Registered Holder to affect a
                       Transfer of the foregoing Warrant)

         FOR VALUE RECEIVED, the undersigned hereby sells, and assigns and
transfers unto ___________________________________________________ the foregoing
Warrant and the rights represented thereto to purchase shares of Common Stock of
TISSERA, INC. in accordance with terms and conditions thereof, and does hereby
irrevocably constitute and appoint ________________ Attorney to transfer the
said Warrant on the books of the Company, with full power of substitution.

         Holder:

         ______________________________

         ______________________________

         Address

         Dated: __________________, ___

         In the presence of:

         ______________________________

<PAGE>

                                 EXERCISE NOTICE

         [To be signed only upon exercise of Warrant]

To:      TISSERA, INC.

         The undersigned Holder of the attached Warrant hereby irrevocably
elects to exercise the Warrant for, and to purchase thereunder, _____ shares of
Common Stock of TISSERA, INC., issuable upon exercise of said Warrant and hereby
surrenders said Warrant.

         The Holder herewith delivers to TISSERA, INC., a check in the amount of
$______ representing the Exercise Price for such shares.

         The undersigned herewith requests that the certificates for such shares
be issued in the name of, and delivered to the undersigned, whose address is
________________________________.

If electronic book entry transfer, complete the following:

         Account Number:
                           -----------------------------------

         Transaction Code Number:
                                   ------------------

Dated: ___________________

                                                 Holder:

                                                 -------------------------------

                                                 -------------------------------

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

                                     NOTICE

         The signature above must correspond to the name as written upon the
face of the within Warrant in every particular, without alteration or
enlargement or any change whatsoever.

<PAGE>

                             COMPANY ACKNOWLEDGEMENT
                                       TO
                                 EXERCISE NOTICE

ACKNOWLEDGED AND AGREED:

TISSERA, INC.

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

Date:

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