EXHIBIT 4.1

SPECIMEN

IMPAX LABORATORIES, INC.

     The Corporation will furnish without charge to each stockholder who so requests a statement of the designations, powers, 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. Such request may be made to the Corporation or the Transfer Agent.

     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	UNIF GIFT MIN ACT –	Custodian
TEN ENT	—	as tenants by the entireties		(Cust)                               (Minor)
JT TEN	—	as joint tenants with right of		under Uniform Gifts to Minors
		survivorship and not as tenants		Act
		in common		(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 Common Stock represented by the within Certificate, and do hereby irrevocably constitute and appoint

                                                                                                                                                                                                                       Attorney to transfer the said shares of Common Stock on the books of the Company 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) SHOULD BE GUARANTEED BY AN ELIGIBLE GUARANTOR INSTITUTION (BANKS, STOCKBROKERS, SAVINGS AND LOAN ASSOCIATIONS AND CREDIT UNIONS WITH MEMBERSHIP IN AN APPR6VED SIGNATURE GUARANTEE MEDALLION PROGRAM), PURSUANT TO S.E.C. RULE 17Ad-15.