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Joseph D. Eng, Jr.

New York

Joseph D. Eng, Jr.
English, Cantonese
Practice Group
Intellectual Property

Joe Eng's philosophy is to work closely with the client to design legal solutions that are consistent with the client's business objectives. His clients include Fortune 100 companies, as well as small start-up companies.

As a patent litigator, Joe has represented clients in federal courts and before the International Trade Commission. With his extensive technical background, Joe is noted for being able to grasp complicated technical issues quickly and reduce them to easily understandable concepts. His cases have covered many technologies, including microelectronics, semiconductor processing, polymer coatings, and medical devices, to name just a few. Joe also represents brand pharmaceuticals in Hatch-Waxman litigation.

Joe is registered to practice before the United States Patent and Trademark Office and has been active in inter partes review proceedings. He has drafted numerous patent applications and prosecuted patent applications to grant in jurisdictions around the world. His patent prosecution matters span diverse technologies, including pharmaceuticals, cosmeceuticals, peptide delivery systems, therapeutic uses of neurotoxins, consumer electronics, polymers, and software. Joe has taught classes on patent drafting and prosecution as an Adjunct Professor at Seton Hall University Law School.

Joe also has expansive experience in transactional matters, including drafting opinions of counsel on non-infringement, invalidity, and freedom-to-operate; performing due diligence reviews in connection with patent licensing and corporate mergers; and drafting and negotiating license agreements.

Joe holds a Ph.D. in physical chemistry from Columbia University, and B.S. degrees in both chemistry and physics from MIT. He was a post-doctoral fellow at Exxon's Corporate Research Center and at Bell Labs, Lucent Technologies. He was also a Member of Technical Staff at Bell Labs, where his research focused on semiconductor surface characterization.

Representative experience

Represented a specialty chemical company in a lawsuit involving drag reducing agents.

Represented Merck in three Hatch-Waxman suits concerning Merck's Invanz® antibiotic product.

Represented a major German chemical company in a patent litigation involving chemicals for manufacturing microelectronic devices.*

Represented a major petrochemical company in a trade secret lawsuit involving polyethylene manufacturing.*

*Matter handled prior to joining Hogan Lovells.

Education and admissions


  • J.D., Fordham University School of Law, 2007
  • Ph.D., Columbia University, 1997
  • M.Phil., Columbia University, 1996
  • M.A., Columbia University, 1993
  • B.S. Chemistry, Massachusetts Institute of Technology, 1992
  • B.S. Physics, Massachusetts Institute of Technology, 1992


  • Member, American Intellectual Property Law Association
  • Member, New York Intellectual Property Law Association
  • Member, American Chemical Society

Bar admissions and qualifications

  • New York
  • U.S. Patent and Trademark Office

Court admissions

  • U.S. District Court, Southern District of New York
  • U.S. District Court, Northern District of New York
  • U.S. District Court, Western District of Michigan


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