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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Our Blogs

Philippe J.C. Signore, Ph.D.

Philippe J.C. Signore, Ph.D.

Managing Partner ∙ US Office
T: (703) 413-3000
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Representative Matters

  • Representing petitioner, a veterinary pharmaceutical company, in post grant proceeding (Ceva Animal Health v. Targan, IPR2024-00595)
  • Represented defendant, drone manufacturer, in patent litigation against patent owner (NPE) in Eastern District of Texas (SoundStreak Texas v. Delair SAS, 2:2022cv00083)
  • Represented a manufacturer of corrective lenses, defendant, in a patent litigation against patent owner in the Middle District of Florida (AlphaMicron, Inc. v. Transitions Optical, Inc. et al; 8:19-cv-01068-SDM-JSS).
  • Represented a veterinary pharmaceutical company, patent owner, in a patent litigation against accused infringers in the District of Maine (BIOMUNE COMPANY v. CLEAR H2O INC 2:19-cv-00099-JAW).
  • Represented a manufacturer of corrective lenses, patent owner, in a patent litigation against accused infringers in the Middle District of Florida (Essilor International et al. v. JDP Holdings et al; 8-16-cv-00867)
  • Represented US company in the clothing industry, design patent owner, against multiple US companies in Southern District of New York and at the CAFC (High Point Design v. Buyer’s Direct. 12-1455)
  • Representing companies in post grant proceeding to challenge competitor’s patent (e.g., IPR2016-00502; IPR2016-00238; IPR2016-00239; IPR2017-00441; IPR2017-00442)
  • Represented windshield manufacturer against Mexican company in a breach of contract dispute, unjust enrichment and patent infringement action in Northern District of Ohio (Saint-Gobain Glass v. Vitro; 1-15-cv-01922)
  • Representing cosmetic company in freedom-to-operate patent analysis and due diligence related to new devices for improving skin
  • Represented auto-parts maker, utility patent owner, against US company in patent litigation in the Western District of Texas (3-13-cv-00115), the Eastern District of Michigan (Valeo North America v. Trico Products Corp, 4-15-cv-12555), and at the International Trade Commission (337-TA-964; 337-TA-937; 337-TA-928)
  • Represented auto-parts maker, patent owner, against Korean company in patent litigation in the Eastern District of Michigan
  • Represented glass manufacturer in large Due Diligence project in view of the acquisition of a US company
  • Represented international Gas and Oil Company in due diligence matters in view of investments into US companies
  • Represented member of a patent pool relating to video formats in the context of negotiations with potential licensees
  • Defended international steel maker against a US competitor who alleged patent infringement in a lawsuit filed in the district court of the Southern District of Ohio
  • Represented telecommunication company in asserting encryption patents against US competitor in a litigation in the district court of Delaware