Exhibit 10.15


 


PROMIS
NEUROSCIENCES INC.

OPTION COMMITMENT


 


Effective
this 2th day of January 2019 (the “Effective Date”) ProMIS Neurosciences Inc. (the “Corporation”)
has granted to [NAME], an Option to acquire 1,000,000 Common Shares (“Optioned Shares”) up to 5:00 p.m. (EST)
on the 2th day of January 2029 (the “Expiry Date”) at a Subscription Price of Cdn $0.25 per share.


 


Optioned Shares may be acquired as follows:


 


The Options will not be exercisable
unless and until they have vested and then only to the extent that they have vested. The Options will vest as follows:


 


		(a)	250,000 Optioned Shares will vest immediately



 


		(b)	750,000 Options Shares will vest equally over thirty-six (36) months.



 


The grant of the Option evidenced hereby is made subject to Acknowledgements
and Agreements of the Optionee set out herein, the terms and conditions of any applicable consulting or employment agreement, the Corporation’s
Stock Option Plan, the terms and conditions of which are hereby incorporated herein. To exercise your Option, deliver a written notice,
which shall be substantially in the form attached hereto as Exhibit 1 hereto, specifying the number of Optioned Shares you wish to
acquire, together with cash or a certified cheque or bank draft payable to the Corporation for the aggregate Subscription Price, to the
Corporation. A certificate for the Optioned Shares so acquired will be issued by the transfer agent as soon as practicable thereafter.


 


PROMIS NEUROSCIENCES INC.


 


Signed by the Executive Chairman


 






     


     


    

 


- 2 -


 





Acknowledgements and Agreements of the Optionee


 


The Optionee acknowledges receipt of a copy of the Plan and represents
to the Corporation that the Optionee is familiar with the terms and conditions of the Plan, and hereby accepts this Option subject to
all of the terms and conditions of the Plan. The Optionee agrees to execute, deliver, file and otherwise assist the Corporation in filing
any report, undertaking or document with respect to the awarding of the Option and exercise of the Option, as may be required by the TSX
or securities regulatory authorities.


 


Further, notwithstanding anything else contained in this Option Commitment
and the Plan, the Optionee acknowledges and agrees as follows:


 


(a)    the exercise
of this Option will be subject to the policies, procedures and conditions adopted by the Corporation from time to time to comply
with its obligations imposed under applicable tax law, including, without limitation, the Corporation's withholding, remittance and
other funding liabilities under applicable tax law (collectively, the “Tax Obligations”); and


 


(b)   as a condition of
exercise of this Option, the Optionee must deliver, in addition to the Subscription Price in respect of which this Option is being exercised,
a certified cheque, wire transfer or bank draft payable to the Corporation for the amount determined by the Corporation to be the appropriate
amount on account of such Tax Obligations.


 


	Signature
    of Optionee:	 	 
	 	 	 
	 	 	Date
    signed:	 
	Signature	 	 
	 	 	 
	 	 	 
	Print
    Name	 	 
	 	 	 
	 	 	 
	Address	 	 




 






     


     


    

 


- 3 -


 





EXHIBIT 1


 


PROMIS
NEUROSCIENCES INC.

STOCK OPTION PLAN 


NOTICE OF EXERCISE OF OPTION


 


	TO:	PROMIS NEUROSCIENCES INC.
	 	________________________________
	 	________________________________
	 	(or such other address as the Corporation may advise)




 


The
undersigned hereby irrevocably gives notice, pursuant to the Stock Option Plan (the "Plan") of PROMIS NEUROSCIENCES
INC. (the "Corporation"), of the exercise of the Option to acquire and hereby subscribes for (cross out inapplicable
item):


 


	(a)	all of the Optioned Shares; or



 


	(b)	                       
                                  of the Optioned Shares;



 


which are the subject of the Option Commitment attached hereto (attach
your original Option Commitment).


 


The
undersigned tenders herewith cash or a certified cheque or bank draft (circle one) payable to " PROMIS NEUROSCIENCES
INC." in an amount equal to the aggregate Subscription Price of the aforesaid Optioned Shares and directs the Corporation to
issue the certificate evidencing said Optioned Shares in the name of the undersigned to be mailed to the undersigned at the following
address (provide complete address):


 


___________________________________ 


___________________________________ 


___________________________________ 


___________________________________


 


The undersigned acknowledges the Option is not validly exercised unless
this Notice is completed in strict compliance with this form and delivered to the required address with the required payment prior to
5:00 p.m. local time in Toronto, Ontario on the Expiry Date of the Option.


 


DATED the __________ day of __________________ , 20 ____.


 


________________________


Signature
of Optionee