







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.

1968
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.

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.

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.

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.
by Sana Tahir, Law Clerk and Andrew Ollis, Partner
March 13, 2026



Oblon has once again been ranked by Juristat, a patent analytics company, as a 2025 Top Outside Counsel. This year, Juristat compiled these rankings not by technology center, but by the outcomes and industries clients deem most important. Oblon ranked as a Top Patent Firm in the following industries: Automotive, Biotech, Consumer Electronics, Computer Science/IT, Chemicals, Life Sciences, Medical Devices/Healthcare, Pharmaceuticals, Semiconductors and Telecom & Wireless. In addition, Oblon was Highly Ranked in the following categories: normalized time to allowance, time to response after Office Action, normalized Office Actions to allowance, normalized allowance rate, and Extensions.
Juristat is an AI analytics platform that provides metrics reflecting how clients judge prosecution work: outcomes, speed, efficiency, difficulty, and scale.
