ANI Pharmaceuticals (ANIP) 8-K Announce Completion of Merger

Exhibit 16.1

	Deloitte & Touche LLP
	111 S. Wacker Drive
	Chicago, IL 60606
	USA
	Tel: +1 312 486 1000
	Fax: +1 312 486 1486
	www.deloitte.com

June 20, 2013

Securities and Exchange Commission
100 F Street, N.E.
Washington, D.C. 20549-7561

Dear Sirs/Madams:

We have read Item 4 of BioSante Pharmaceuticals, Inc.’s Form 8-K dated June 20, 2013, and have the following comments:

1.We agree with the statements made in the first, second, third and fifth paragraphs of Item 4.01.

2.We have no basis on which to agree or disagree with the statements made in the fourth paragraph of Item 4.01.

Yours truly,

/s/ Deloitte & Touche LLP

Member of

Deloitte Touche Tohmatsu Limited