EXHIBIT 10.15



LEASE AGREEMENT

6570 Seville Drive: Upper Floor



This
Lease Agreement is made by Colbur Tech LLC, an Ohio Corporation (hereinafter Lessor) and Notify Technology Corporation, hereinafter Lessee).



1.LEASED PREMISES: Lessor, in consideration of the covenants hereinafter contained does hereby demise
and lease to Lessee the upper floor of the building located at 6570 Seville Drive, Canfield containing approximately 5264.5 square feet, and as further illustrated on attached exhibit A. (Leased Premises)



The use and occupation by the Lessee of the Leased Premises shall include the
use in common with Lessor of customer and employees parking areas, service roads, and sidewalks. Lessor agrees that at all times during the term of this lease there will be free and adequate access between the public street and the entrance of
the Leased Premises for pedestrians and motor vehicles.



(1)a. Use:The use of said Leased Premises shall be: Research and development office for Notify Technology Corporation which encompasses engineering, quality control and technical support ad similar uses typically found under
R/D facility all pertain to computer software.



2.TERM:To have and hold for and during the full term of 5 years, commencing on the commencement date, as defined below and ending 5 years thereafter.



The commencement date shall be October 15, 2001.



Lessee may enter the Leased Premises upon payment 1 month security deposit to
move in furniture and equipment. Said security deposit to be paid at the signing pf this lease. Security deposit shall be equal to one-months rent.



3. BASE RENT: Lessee will pay Lessor as rent the Leased Premises during the five-year term THREE HUNDRED FIFTEEN THOUSAND EIGHT HUNDRED
SEVENTY AND 00/100 ($315,870.00) for the Leased Premises, payable in equal monthly installation of FIVE THOUSAND TWO HUNDRED SIXTY-FOUR AND 50/100 DOLLARS (5,264.50) each, in advance on the first day of each month.



The annual rent for the Leased Premises, to be the sum of SIXTY-THREE
THOUSAND ONE HUNDRED SEVENTY-FOUR AND 00/100 DOLLARS ($63,174.00) annually.



Lessee shall pay, for the month of October 2001, the Sum of TWO THOUSAND SIX HUNDRED THIRTY-TWO AND 25/100 ($2,632.25). Thereafter shall be payable as set forth above.



The rent for the first and last month of the term shall be on a pro rata
basis if the term hereof shall commence on a day of the month other than the first day thereof. Rent will be payable at the place designated in this Lease for service of notice upon Lessor, or at such other place as Lessor may hereafter designate in
writing.



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(3)(a). C.A.M. Charges: Lessee shall pay its prorate share of common area maintenance
expenses estimated at TWO THOUSAND SIX HUNDRED THRITY-TWO AND 25/100 DOLLARS ($2,632.25), per lease year, payable in advance monthly installments of TWO HUNDRED NINETEEN AND 36/100 DOLLARS ($219.36) per month.



Definition of C.A.M. Charges: Common area maintenance to
include snow removal, lawn care, landscape care, security system monitoring charges, cleaning in common areas, refuse removal and other related expenses.



4. UTILITIES: Lessee shall pay, as and when the same become due and payable, all charges for electric, gas, heat, hot water, telephone, and
any other utility supplied to or used or consumed by Lessee, except for all water and sewer rents and charges which shall be paid by Lessor.



(4)(a). Utilities Separate Meter: Lessor agrees to have the utilities for the premises metered separately from any other portion of the building.
Lessor will have separate meters installed for the gas, electric, and any other utility for which Lessee is responsible.



(4)(b). Telephone/Telecom Service: At the sole option of Lessee, the Lessee may participate in Lessors telecom agreement with
providers, so as to provide said services to Lessee at reduced rates.



5. TAXES: Lessee shall pay its prorate share of all real estate taxes assessed on the Leased Premises at 6570 Seville Drive, Upper Floor, Canfield, Ohio. Lessees prorate share is estimated at FIVE THOUSAND FIVE HUNDRED
EIGHTY AND 27/100 DOLLARS ($5,580.27) per lease year payable in advance monthly installments of FOUR HUNDRED SIXTY-FIVE AND 03/100 DOLLARS ($465.03) each as and for said real estate taxes.



6. FURNITURE: Included in this Lease is the rental of existing
office furniture located within said Leased Premises. Lessee shall have the use of said furniture during the term of this lease. Lessee shall maintain said furniture in a reasonable condition subject to normal wear. Lessee agrees that any part of
said furniture that it does not have a use for shall be returned to the Lessor. Lessee will inventory furniture within 30 days of signing Lease and provide copy of said inventory to Lessor.



(6)(a). Phone Handsets: Lessee shall have the use of any
existing handsets located within the aforementioned Leased Premises during the term of this lease. Said handsets are to be returned to Lessor at the completion of the Lease.



(6)(b). Lessor Improvements: Lessor agrees that upon signing of the Lease and payment of the security deposit,
that it will have to have the carpets within the Leased Premises cleaned, the office furniture located therein dusted, the Leased Premises professionally cleaned, and any laminate damage on the doors repaired at Lessors costs. In addition,
Lessor will have heating and air conditioning system, the electrical system, and the plumbing within the Leased Premises inspected by a qualified HVAC contractor, electrician, and plumber respectively. The information, report, or inspection results
from the JVAC contractor, the electrician, and the plumber will be available to Lessee within two weeks of the signing of the lease.



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7. COMPLIANCE WITH LAWS AND ORDINANCES: Lessee shall comply with all federal, state,
county, township, and city laws and ordinances, and all rules and regulations of any duly constituted authority, affecting or respecting the Leased premises, or the use of same, including the business at any time transacted thereon by Lessee. Lessee
shall be solely responsible for compliance with any and all laws, regulations, and ordinances, both present and future, including, but not limited to, those dealing with health, sanitation and signs, with respect to the premises. Notwithstanding the
foregoing, Lessor shall be responsible for compliance with all laws, regulations, etc. with respect to those duties imposed upon it by virtue of this Lease or otherwise.



8. MAINTENANCE: Lessee, at its expense, shall keep and maintain in good order and repair the interior of the
Leased Premises including all heating, cooling, plumbing, air conditioning, and electrical equipment and will make any required repairs and maintain same. Lessee will pay the cost of maintenance and repair the aforementioned heating, cooling,
pluming, electrical equipment, and air conditioning units.



Lessor will maintain and repair the exterior of the building including the parking and other common areas. Lessor shall keep and maintain said parking lot and common areas free of dirt, rubbish, snow, and ice. This provision does not create
any benefit for any third party, and does not create right not provided by existing Ohio law.



If, during the term of this Lease, it shall become necessary for the heating units, air conditioning units, or hot water tank to be replaced, then Lessor shall be responsible for cost of said replacement. Lessee shall
be responsible for all maintenance and repair costs of said furnaces, air conditioning units, and hot water tanks.



9. INDEMNITY: Lessee shall defend, indemnify, save and hold Lessor harmless from any claim, action, cause of action, loss, damage,
liability, cost and expense arising out of any failure of Lessee, in any respect, to comply with and perform any of the requirements and provisions of this Lease, or arising out of any use, non-use, possession, occupation, operation, maintenance, or
management of the Leased Premises by Lessee, or arising out of any work or thing required by Lessee to be done in, on, or about the premises, or arising out of any negligence, or intentional or willful misconduct of Lessee, its agents, employees,
independent contractors or invitee, in, or about the Leased Premises, and this obligation shall survive the expiration of this Lease or any earlier termination.



10.LIABILITY INSURANCE: Lessee, at all times during the term of this Lease, or any renewal or extension hereof, and at its sole
expense, shall procure, maintain and keep in force general public liability insurance for claims for personal injury, death, or property damage, incurring in, or about the premises, with limits of not less than One Million Dollars ($1,000,000.00) in
respect to death or injury of a single person or in respect to any one accident, and not less than Five Hundred Thousand Dollars ($500,000.00) in respect to property damage insuring lessees liability, in any, as provided in paragraph 9.



Lessor, at all times during the terms of this Lease, shall
procure, maintain, and keep in force general public liability insurance policy for claims of personal injury and wrongful death



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occurring in the parking lot and common areas of the Leased Premises in an amount no less than One Million dollars
($1,000,000.00).



11. FIRE AND CASUALTY
INSURANCE: Lessor agrees to keep in force, at its expense, during the term of this Lease a policy, of fire, and vandalism insurance to cover damage to the building containing the Leased Premises in an amount no less than One Million Dollars
($1,000,000.00).



12. FIRE OR OTHER CASUALTY: If
the Premises shall be rendered untenantable by fire or other casually, and such damage or destruction cannot reasonably be repaired or replaced within one hundred fifty (150) working days from such fire or other casualty so that the premises are
susceptible to the same use as that which was in effect immediately prior to such fire or other casualty at a cost not to exceed the insurance proceeds received by Lessor for such fire or other casualty, then this Lease shall terminate upon
surrender thereof to Lessor. If such restoration or repairs can be made within such one hundred (150) working days, then this Lease shall continue in full force and effect and Lessor will make the necessary alterations and repairs to the premises
with all reasonable speed, provided, however, in no event shall Lessor be required to expend a sum in excess of the amount of insurance proceeds received by reason of such fire or other casualty. Lessee shall be entitled to a proportionate abatement
of rent hereunder during any period of total or partial untenantable.



13. LESSEES FIXTURES AND OTHER PERSONAL PROPERTY: Any and all furnishing and other personal property of Lessee in or on the Leased Premises shall be at the sole risk of Lessee, and Lessee shall be responsible for the
prompt replacement of any and all such furnishings and personal property which may be damaged or destroyed by any cause whatsoever.



14. WAIVER OF SUBROGATION: Any insurance policy carried by either party insuring all or any part of the premises, including improvements and
alteration thereto and Lessees furnishings and equipment therein, shall be written in a manner to provide that the insurance company waives all right of recovery by way of subrogation against Lessor or Lessee, as the case may be, in connection
with any loss or damage to the premises, property or business caused by any of the perils covered by fire and extended coverage, building and contents, and business interruption insurance, or for which either party may be reimbursed as a result of
insurance coverage affecting any loss suffered by it, provided, however, that the foregoing waivers shall apply only to the extent of any recovery made by the parties under any policy of insurance now or hereafter issued. So long as the policies
involved can be so written and maintained in effect, neither party shall be liable to the other for any such loss or damage aforesaid.



15. ALTERATIONS OR REMODELING: Lessee, at its expense, may remodel, build-out, and make any alterations and improvements not requiring
structural changes, it deems necessary or desirable, provided it complies with all applicable laws, regulations and building codes with respect thereto, with prior written notice and consent of the Lessor, such consent not to be unreasonably
withheld. Lessee will indemnify and save and hold Lessor harmless from any and all mechanics liens that may be filed against the Leased Premises by reason thereof. Lessee shall have the right to contest the validity of any such lien or claim
filed or asserted against the Lease Premises, if Lessee shall first give Lessor assurance, by posting a bond. Then upon final



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determination of the validity of such lien or claim, Lessee will forthwith pay any final judgment rendered against it and
will have such lien released without cost to Lessor.



16.
SIGNS: Lessee shall have the right to install a sign on the freestanding pylon sign base, with the written consent of Lessor, which shall not be reasonably withheld, providing such sign conforms to governmental requirements and
regulations and are consistent with the overall signage criteria of the Lessor. Cost of installation or modification of said assign to be borne by Lessee. Said sign to occupy no more than one-half of the available space on the pylon base.



Cost of the removal of the existing Aztec sign on the building
and on the pylon shall be borne by the Lessor.



17.
SUBORDINATIONS: Lessee shall, upon notice from Lessor, subordinate this Lease to the lien of any first mortgage upon the premises, provided that the holder of any such mortgage shall enter into a recordable agreement with Lessee
specifying that in the event of foreclosure or other action taken under the mortgage by said holder, this Lease and the rights of the Lessee hereunder shall not be disturbed, but shall continue in full force and effect so long as Lessee shall not be
in default hereunder; and, that said holder shall permit insurance or condemnation proceeds to be used for any restoration, replacement or repair of the premises as required by the provisions of this Lease. Lessee shall have the right to require
Lessor to obtain such an agreement from the holder of the present mortgages upon the premises.



18. ESTOPPEL CERTIFICATES: Each party agrees, upon request of the other, to execute and deliver to the requesting party, a written statement certifying that this Lease is unmodified and in full force and
effect, or, if there have been any modifications, that this Lease is in full force and effect as modified and stating the modifications, the dates to which all rents and charges hereunder have been paid in advance, if any, and, that there are then
existing no setoffs or defenses against the enforcement of the agreements of this lease on the part of the requesting party to be performed, or, if any, specifying same.



19. CONDEMNATION: If in any condemnation proceedings or proposal it is agreed or ordered that the Leased
Premises or any part thereof, or rights of way adjoining or approaches to the Lease Premises, or any part thereof, be condemned, closed, or taken for public use and such condemnation causes material interference with the conduct of Lessees
business, then and in that event upon the closing or the taking of same for such public use this Lease shall, at the option of the Lessee, upon the Lessees giving written notice thereof to Lessor within ninety (90) days after said closing or
taking, terminate as of the date stated in said notice, anything herein contained to the contrary notwithstanding. Whether or not this Lease is terminated, however, the Lessee shall share in the condemnation award to the extent that the award
included compensation for Lessees leasehold interest and for Lessees moving and relocation expense, if any. The Lessee shall have the burden of proving material interference with the conduct of Lessees business. Nothing
herein contained shall preclude Lessee from intervening from Lessees own interest in any proceeding for such condemnation, closing or taking, or for negotiations associated therewith, claim or receive compensation to which Lessee may be
lawfully entitled in such proceedings. If such proceedings result in the taking of any part of the premises, including, without limitation, any part of the parking areas or any access to public streets, but not a sufficient part thereof to cause
material interference with the conduct of Lessees business, then



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an equitable apportionment of the rent shall be made and such new rent based on this apportionment shall be paid for the
balance of the term of this Lease and any renewal term, subject to the increase provided for in paragraph 2. Lessor shall, at it own expense, make all necessary repairs, alterations and reconstruction to the remaining portion of the premises so the
premises are in substantially the same condition as before such taking, and are in good and sufficient condition for Lessees use provided that the cost shall not exceed the net proceeds of any award received and retained by Lessor.



20. DEFAULT BY LESSEE: In the event Lessee should fail to
pay any of the monthly installments of rent hereunder or if the Lessee shall fail to keep or violate any other such condition, stipulation or agreement herein contained on the part of the Lessee to be kept and performed, and if such failure or
violation shall have continued for a period of fifteen (15) days after notice from Lessor as to nonpayment of rent or thirty (30) days after notice from Lessor as to any other violation, then, in any such event, Lessor, at its option, may (a)
terminate this Lease; or (b) re-enter the premises by summary proceedings or otherwise expel Lessee and remove all of Lessees property therefrom and relet the premises at the best rent obtainable making reasonable efforts therefore and receive
the rent therefrom; but Lessee shall remain liable for any deficiency between Lessees rent hereafter and the rent obtained by Lessor on reletting; or (c) if the default in nonmonetary in nature, cure such default for the account of Lessee, and
any amount paid or any contractual liability incurred by the Lessor in so doing shall be deemed paid or incurred for the account of Lessee, and Lessee agrees to promptly therefore reimburse Lessor and save Lessor harmless therefrom. A default,
except as to payment of rent, shall be deemed cured if Lessee in good faith commences performance necessary to cure the same within thirty (30) days after receipt of such notice and continuously and with reasonable diligence proceeds to complete the
performance required to cure such default. Lessors rights and remedies hereunder shall be in addition to all other rights and remedies now or hereafter available to Lessor. By signing this Lease the Lessee waives its rights to a jury trial in
any action for past due rent, eviction or damages related thereto.



21. NO WAIVER: Any demand for rent, made after the same shall fall due, shall have the same effect in law as if made on the date and time same was due, any law to the contrary notwithstanding; and the failure of Lessor to give
notice or to enforce any right or remedy upon any default of Lessee in the performance of any Lessees obligations hereunder shall not be deemed a waiver of such rights or remedies by reason of such default, nor shall it prejudice nor affect
any rights or remedies of Lessor with reference to any subsequent default or breach by Lessee. Further, if at any time Lessor should expressly waive any right or remedy upon any default of Lessee in the performance of Lessees obligations
hereunder, such waiver shall not be deemed a waiver of subsequent default or breach by Lessee.



22. ASSIGNMENT AND SUBLETTING: Lessee may not assign or sublet this Lease without written consent of Lessor, which may not be unreasonably withheld or delayed. Notwithstanding the foregoing, Lessee may
assign and/or sublet this Lease to a third party which is affiliated with Lessee by reason of an element of common ownership or control, or (if such third party is an individual) if such person has an equity interest in Lessee or Lessees
affiliates.



23. ACCESS BY LESSOR: Lessor, and
any agents, employees, officers and independent contractors of Lessor, shall have access to the Leased Premises at all reasonable



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times, for the purposes of inspecting and examining the same or for exhibiting the same to prospective tenants or
purchasers, and, if Lessee shall be in default hereunder, or is an emergency shall exist, making such repairs as it deems necessary for the protection or preservation of the premises.



24. CONVEYANCE BY LESSOR: If Lessor shall convey title to the Leased Premises pursuant to a sale or exchange
of property, the Lessor shall not be liable to Lessee or any remote assignee or successor of Lessee as to any act or omission from and after such conveyance.



25. HOLDING OVER: If Lessee shall hold over or otherwise remain in possession of the premises after the expiration of the term or any
renewal thereof, then Lessee shall be deemed a tenet of the premises from month to month, notwithstanding any law to the contrary, subject to all of the terms and provisions hereof, except only as to the term which shall have terminated.



26. LEGAL INTERPETATIONS: This Lease shall be construed in
accordance with the applicable law of the State of Ohio. In interpreting this Lease, there shall be no inference, by operation of law or otherwise, that any provision of this lease shall be construed against either party. In the event any provision
of this Lease conflicts with any applicable law, such conflict shall not effect other provisions of this Lease which can be given effect without such conflicting provision. If any provision of this Lease shall be subject to two constructions, one of
which would render such provision invalid, then such provision shall be given that construction which would render it valid. The paragraph numbers and captions are inserted only as a matter of convenience and in no way define or limit the scope or
intent of such paragraphs of this Lease.



27. FORCE
MAJEURE: If either party shall be delayed or prevented from the performance of any act required by this Lease by reason of strikes, utility failures, restrictive laws, labor disputes, riots, acts of was, acts of God or other similar reasons
not the fault of the nonperforming party, then the performance time for such act shall be extended for a period equivalent to the period of such delay.



28. NOTICE: Any and all notices, demands or communications required to be given hereunder shall be in writing and sent by certified mail.



| | a. | If intended for Lessor, to: Colbur Tech, LLC, 167 Colonial Drive, Canfield Ohio
| | -- | -------------------------------------------------------------------------------



| | b. | If intended for Lessee, to: Jerry Rice, Chief Financial Officer, Notify Technology Corporation, 1054 South DeAnza Blvd. #105, San Jose, California 95129, or to such other place as
either Lessor or Lessee may hereafter designate in writing and give notice thereof to the other as herein prescribed. Any such notice shall be deemed to have been given as of the same time deposited in the United States mail.
| | -- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



29.QUIET ENJOYMENT: Lessor
warrants that it has lawful title to execute this Lease and that there are no covenants, restrictions, easements, reservations, zoning ordinances or any other encumbrances affecting the Leased Premises that may be adverse to the operation of
Lessees business therein or in any way restricting Lessees intended use of the Leased Premises, or limiting vehicle and pedestrian access and egress between the premises and the public ways adjacent thereto, and Lessor shall have the
peaceable and quiet enjoyment and possession of the



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Leased Premises and other rights herein granted to Lessee without any manner or hindrance from Lessor or any parties
claiming by or through Lessor.



30.ENTIRE
AGREEMENT: This Lease and any incorporated attachments contains all the agreements between the parties and cannot be modified in any manner except by written amendment executed by the parties.



31.LEASE MEMORANDUM: The parties agree to execute a
memorandum of this Lease in recordable form including the term commencement and a expiration dates, and any other provisions required, but not including any of the rental provisions or other charges to be paid by Lessee under this Lease. This Lease
shall not be recorded, but said memorandum shall be recorded by Lessor.



32.SUCCESSORS AND ASSIGNS:All warranties, covenants and agreements herein shall inure to the benefit of and be binding upon the successors and assigns of Lessor and Lessee.



33.BROKERAGE FEE: Lessor and Lessee will each indemnify
each other that no real estate brokers have been used or consulted in connection with this transaction other than Kutlick Platz Realty L.L.C. whose fee will be paid by the Lessor.



IN WITNESS WHEREOF,Lessor and Lessee have executed this Lease effective as of October 3, 2001, each acknowledging
receipt of an executed copy hereof.



|In the presence of:  /Regina Fisher/Witness |  |  |  | LESSOR: COLBUR TECH,
LLC Sam Boak, President, Member
|------------------------------------------- |  |  |  | ----------------------------------------------------
|                                            |  |  | 
|/Richard J. Schneider/                      |  |  |  | By:                                                 
|                                            |  |  |  |                                                     
|Witness                                     |  |  |  |                                                     
|                                            |  | 
|                                            |  |  |  | LESSEE: NOTIFY TECHNOLOGY CORPORATION               
|                                            |  |  | 
|                                            |  |  | 
|                                            |  |  |  | By:                                                 
|                                            |  |  |  |                                                     
|                                            |  |  |  | Chief Financial Officer                             



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