University of Pennsylvania (B.A., 1972)
Emory University (J.D., 1977)

New York, Georgia
USPTO — Registered Patent Attorney
U.S. Court of Appeals for the Federal Circuit
U.S. District Courts for the Southern and Eastern Districts of New York and the Northern District of Georgia

Clifford J. Mass is a partner in the New York Office of Ladas & Parry. He has extensive experience in patent preparation and prosecution covering a wide range of technologies, with a focus on biotechnology and the chemical arts, including recombinant nucleic acid technologies, pharmaceuticals, chemical processing technology and polymer chemistry. He often provides validity and infringement opinions in these and other art areas.

Mr. Mass is also an experienced litigator. He has been lead attorney in complex patent interferences, including multi-party interference. He has both first chair and second chair litigation experience in the Federal courts, and has prosecuted and argued cases before the Board of Patent Appeals and Interferences. His reported cases include: Ex parte Van Tunen, 67 USPQ 2d 1518 (BPAI 2003); Accent Designs, Inc. v. Jan Jewelry Designs, Inc., 30 USPQ 2d 1734 (S.D.N.Y. 1993) and 32 USPQ 2d 1036 (S.D.N.Y. 1994); and Kochler v. Mustonen, 774 F. Supp. 641 (D.D.C. 1991).

Mr. Mass received a B.A. degree in molecular biology from the University of Pennsylvania. He received a J.D. degree from Emory University. He is admitted to the bars of New York, Georgia and the U.S. Patent and Trademark Office. He is also admitted to Federal district courts in New York and Georgia, and to the Federal Circuit Court of Appeals.