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
Learn More +

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.

Oblon Professionals Tee Up with our International Guests

  • June 29, 2021
  • Firm News

International Guests, Ms. Minako Kajitani from Mitsubishi Chemical Corporation; Mr. Takamitsu Aisaka from Ajinomoto; Mr. Seigo Kataoka from Mitsubishi Electric Corporation; and Mr. Hiroshi Uda from Aisin Technical Center of America Inc., joined our Oblon professionals at Oblon’s 41st Annual International Golf Tournament at the Lake Presidential Golf Club in Maryland, this past Thursday.

Pictured: Erik Stang, Philippe Signore, Mr. Aisaka, Grace Kim, Daniel Pereira, Ms. Kajitani, John Niehoff and Yuki Onoe.

Pictured: Kevin Ross Davis, Kasumi Kanetaka, Elissa Sanford, and Kevin McKinley.

Not Pictured: Kevin Ross Davis, Robert Downs, Sameer Gokhale, Kevin Hartman, Kasumi Kanetaka, James Love, Kevin McKinley, Yin Nelson, Andrew Ollis, Long Phan, Chris Riccuiti, Nick Rosa, Alec Royka, Elissa Sanford, Ryan Smith, Rob Tarcu and Akihiro Yamazaki.