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Y. Rocky Tsao, Ph.D.



p: 617-951-3059

f: 617-951-3927

tsaorocky (upscaled).jpg


  • University of Houston Law School (J.D., 1988)

  • University of Michigan (Ph.D. in Biochemistry, 1980)

  • National Taiwan University (B.S. in Chemistry/Biology, 1973)

Bar Admissions
  • U.S. Patent and Trademark Office

  • Massachusetts

  • Texas

  • District of Columbia

  • Fluent in Mandarin Chinese

Rocky has been practicing patent law for over 30 years (partner at Fish & Richardson, P.C., 1995-2007, and co-founding partner at Occhiuti, Rohlicek & Tsao, LLP, 2007-2013).

His practice emphasizes patent prosecution, opinions, due diligence investigations, counseling, and planning in the biotechnology, chemistry, pharmaceutical, diagnostic, and medical science fields.

Rocky has prepared and prosecuted patent applications in areas including molecular biology, medicinal chemistry, nanotechnology, immunology, and organic/polymer chemistry. Specific applications relate to gene and cell-based therapies, chip-array technologies, transgenic animals and plants, artificial organs, drug discovery, pharmaceutical compounds, immunodiagnostics and therapeutics, imaging reagents, novel polymers, medical and biochemical instrumentation and devices, and organic synthesis.

He made a list of 39 recommended patent prosecution lawyers in Massachusetts compiled by Intellectual Asset Management.

Professional Experience

Prior to founding Occhiuti Rohlicek & Tsao LLP, Rocky was a principal at Fish & Richardson P.C.


Research Associate, Baylor College of Medicine, Houston (1980-1985). Publications include: "Patents: Putting Your Best Mode Forward," Nature Biotechnology, 18:1113-1114 (2000); "Beyond the letter of the law: The US Federal Circuit interprets 271(g)(1)," Nature Biotechnology, 15:86-87 (1997); "Select U.S. Patent Law Issues," Proceedings of the Annual Convention, Chinese Institute of Engineers, Secaucus, New York, 8 (1994); "Biotechnology Patent Prosecution in the U.S.A.," Proceedings of the Third Pacific Rim Biotechnology Conference, Taipei, Taiwan, 376-390 (1992); "Molecular Cloning and Sequence Analysis of Human Apolipoprotein A-II cDNA," Methods in Enzymology, 128:745-752 (1986); "The Structure of the Human Apolipoprotein C-II Gene," J. of Biological Chemistry, 260:15222-15231 (1985); "Isolation and Characterization of the Human Apolipoprotein A-II Gene," J. of Biological Chemistry, 260:15211-15221 (1985); "Cell Growth with trans Fatty Acids Is Affected by Adenosine 3',5'-Monophosphate and Membrane Fluidity," Science, 207:777-779 (1980).

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