Form of Stock Certificate



 EXHIBIT 4.1 
  

			
	 NUMBER
	  	SHARES

 BLEX 
 BIOLEX THERAPEUTICS, INC. 
  

					
	 INCORPORATED UNDER THE LAWS
 OF THE STATE OF DELAWARE
	 		  	 SEE REVERSE FOR
 CERTAIN DEFINITIONS

			
	 THIS CERTIFICATE IS TRANSFERABLE
 IN NEW YORK, NY
	 		  	CUSIP 09065K 108

 BIOLEX THERAPEUTICS, INC. 
 THIS CERTIFIES that 
 is the owner of 
 FULLY PAID AND NON-ASSESSABLE SHARES OF COMMON STOCK, 
 PAR VALUE $0.001 PER SHARE, OF

 BIOLEX THERAPEUTICS, INC. 
 transferable on the books of the Corporation by the holder hereof in person or by duly authorized attorney upon surrender of this certificate properly endorsed. 
 This certificate is not valid unless countersigned and registered by the Transfer Agent and Registrar. 
 WITNESS the
facsimile seal of the Corporation and the facsimile signatures of its duly authorized officers. 
 CERTIFICATE OF STOCK 
 Dated 
 BIOLEX THERAPEUTICS, INC. 
 1998 
 Delaware 
 [SEAL] 
  

					
	 /s/ Jan Turek
	 		  	 /s/ Howard Hollar

	President and Chief Executive Officer	 		  	Secretary and Treasurer

 COUNTERSIGNED AND REGISTERED: 
 AMERICAN STOCK TRANSFER & TRUST COMPANY 
 TRANSFER AGENT

 AND REGISTRAR 
 BY

 AUTHORIZED SIGNATURE 







 The Corporation will furnish without charge to each stockholder who so requests a statement of the powers, designations,
preferences and relative, participating, optional, or other special rights of each class of stock or series thereof of the Corporation, and the qualifications, limitations or restrictions of such preferences and/or rights. 
 The following abbreviations, when used in the inscription on the face of this certificate, shall be construed as though they were written out in full according to
applicable laws or regulations: 
  

					
	TEN COM	 	—  	 	as tenants in common
	TEN ENT	 	—  	 	as tenants by the entireties
	JT TEN	 	—  	 	as joint tenants with right of survivorship and not as tenants in common

  

																			
	 UNIF GIFT MIN ACT -
	 	 	 	Custodian	 	 	  		  		  		  	
		 	 (Cust)
	 		 	(Minor)	  		  		  		  	
							
		 	 under Uniform Gifts to Minors Act
	 	 	  		  		  		  	
		 		 	(State)	  		  		  		  	

 Additional abbreviations may also be used though not in the above list. 
 FOR VALUE RECEIVED,
                                        
HEREBY SELL, ASSIGN AND TRANSFER UNTO 
  

			
	 PLEASE INSERT SOCIAL SECURITY OR OTHER
 IDENTIFYING NUMBER OF ASSIGNEE
	 	
		
	  
	 	
		
	  
	 	
	
	  

	 (PLEASE PRINT OR TYPEWRITE NAME AND ADDRESS, INCLUDING ZIP CODE,
 OF ASSIGNEE)

	
	  

	
	  

	
	  

	
	SHARES OF THE CAPITAL STOCK REPRESENTED BY THE WITHIN CERTIFICATE, AND DO HEREBY IRREVOCABLY CONSTITUTE AND APPOINT
	
	  

	
	ATTORNEY TO TRANSFER THE SAID STOCK ON THE BOOKS OF THE WITHIN NAMED CORPORATION WITH FULL POWER OF SUBSTITUTION IN THE PREMISES.
		
	DATED
                            	 	









	
	  

	NOTICE: THE SIGNATURE TO THIS ASSIGNMENT MUST CORRESPOND WITH THE NAME AS WRITTEN UPON THE FACE OF THE CERTIFICATE IN EVERY PARTICULAR, WITHOUT ALTERATION OR ENLARGEMENT OR ANY CHANGE
WHATEVER.


 Signature(s) Guaranteed: 
 THE SIGNATURE(S) MUST BE GUARANTEED BY AN ELIGIBLE GUARANTOR INSTITUTION (BANKS, STOCKBROKERS, SAVINGS AND LOAN ASSOCIATIONS AND CREDIT UNIONS WITH MEMBERSHIP IN AN APPROVED SIGNATURE GUARANTEE MEDALLION PROGRAM),
PURSUANT TO S.E.C. RULE 17Ad-15.