the firm's post-grant practitioners are some of the most experienced in the country.


Artificial Intelligence (AI)
Artificial Intelligence (AI)
Digital Health
Digital Health
Energy & Renewables
Energy & Renewables

Fast Facts

About Our

Law Firm

About Our Law Firm

Headquartered within steps of the USPTO with an affiliate office in Tokyo, Oblon is one of the largest law firms in the United States focused exclusively on intellectual property law.

Get to know our


Get to know our History

Norman Oblon with Stanley Fisher and Marvin Spivak launched what was to become Oblon, McClelland, Maier & Neustadt, LLP, one of the nation's leading full-service intellectual property law firms.

Our Local and

Global Reach

Our Local and Global Reach

Outside the US, we service companies based in Japan, France, Germany, Italy, Saudi Arabia, and farther corners of the world. Our culturally aware attorneys speak many languages, including Japanese, French, German, Mandarin, Korean, Russian, Arabic, Farsi, Chinese.

A few of our


A few of our ACCOLADES

Oblon's professionals provide industry-leading IP legal services to many of the world's most admired innovators and brands.




From the minute you walk through our doors, you'll become a valuable part of a team that fosters a culture of innovation, client service and collegiality.

A few ways to

GET In Touch

A few ways to GET In Touch
US Office

Telephone: 703-413-3000
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Tokyo Office

Telephone: +81-3-6212-0550
Learn More +


Patent Forms

Downloadable Patent Forms

The United States Patent and Trademark Office (USPTO) issued final rules implementing the inventor's oath or declaration provisions of the America Invents Act (AIA) on August 14, 2012.

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Philippe J.C. Signore, Ph.D.

Philippe J.C. Signore, Ph.D.

Managing Partner ∙ US Office
T: (703) 413-3000
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Philippe Signore, Ph.D., is a patent attorney practicing in the firm's Electrical and Mechanical Patent Prosecution group; Patent Litigation group; and Counseling and Strategic Advice group.

With over 25 years of experience in intellectual property legal matters, Dr. Signore’s practice includes counseling clients about patent strategies, performing freedom-to-operate analyses, drafting legal opinions, conducting I.P. due diligence, handling post-grant proceedings, managing patent portfolios, and advising clients on patent litigation, and technology transfer. In counseling clients, he seeks to match their business needs to the legal tools available.

Dr. Signore’s technical experience covers various industries including aerospace, semiconductors, optical systems, medical devices, automotive, energy, solid state batteries, oil and gas, consumer electronics, computer hardware, software, and artificial intelligence. He studied solid state physics, including superconductivity, semiconductors and magnetic materials while achieving a Ph.D. in Physics. He is bilingual in English and French.

He has taught Patent Law as an Adjunct Professor at the George Mason School of Law for several years. He also serves as a faculty member at the Center for International Intellectual Property Studies (CEIPI) in Strasbourg, France. Dr. Signore lectures regularly on U.S. patent law for various associations in the U.S., Asia, and Europe. For example he previously presented at the Patent Law Institute (PLI), at the ABA IPL Annual meeting, at the Japanese Intellectual Property Association (JIPA), at the French Association of In-House Patent Specialists (ASPI), Groupe Rhône-Alpes de l’AIPPI (GRAPI), at the European-American Chamber of Commerce (EACC), at China’s State Intellectual Property Office (SIPO – Tianjin branch), at the Graduate Institute of Patent of the National Taiwan University of Science and Technology (Taipei, Taiwan), and at the Swiss Romande Association of IP (AROPI).


  • Georgetown University Law Center (J.D.)
  • University of Florida (Ph.D.)
    • Physics
  • University of Tennessee at Chattanooga (B.S.)
    • Physics


  • District of Columbia
  • Virginia
  • Registered to practice before the U.S. Patent and Trademark Office
  • Patent Trial and Appeal Board
  • U.S. Court of Appeals for the Federal Circuit
  • U.S. Court of Appeals for the Fourth Circuit
  • U.S. Court of Appeals for the District of Columbia Circuit
  • U.S. District Court for the Eastern District of Virginia
  • District of Columbia Superior Court
  • Supreme Court of Virginia


  • The Best Lawyers in America® (2024)
  • Named on Virginia Business Magazine's Power List of the most influential leaders (2021, 2022)
  • Managing IP Magazine named 'IP Star' (2018, 2019, 2020, 2021, 2022, 2023 and 2024)
  • IAM Patent 1000: The World’s Leading Patent Practitioners, named as Top Patent Professional (2016, 2017, 2019, 2020, 2021, 2022, 2023 and 2024)
  • Recognized as the "Best Lawyer of the Year in Electrical & Mechanical Patent Prosecution - USA" by Global 100 - 2017
  • e Legal 500 U.S., noted as a Recommended Attorney (2015)
  • Super Lawyers, Virginia Rising Stars (2008, 2011)
  • Recipient, 30th Annual Rossman Award as the author of the article in the Journal of the Patent and Trademark Office Society "that made the greatest contribution to the fields of Patents, Trademarks, and Copyrights" (2002)
  • Recipient, Scott Memorial Award for Most Outstanding Experimental Physics Doctoral Graduate (1994)


  • French

Professional Affiliations

  • American Bar Association, Section of Intellectual Property Law
  • American Intellectual Property Law Association (AIPLA)
  • American Physical Society
  • Licensing Executives Society (LES)