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.

Stay informed with

Our Blogs

Oblon's Trainee Reunion Event 2018 – Tokyo

  • November 12, 2018
  • Firm News

Oblon’s trainee reunion was held last Friday in Tokyo. About 100 client representatives attended. In addition to about 20 Oblon legal professionals (photo).  Partner Yuki Onoe, head of Oblon’s Tokyo office, organized this wonderful event, where we celebrated the lasting and loyal friendships between Oblon professionals and individuals from our clients. It was a great event with a very positive mood and lots of old friends reunited some going back 20-30 years between individuals from our clients and from Oblon. 

"Over the past 50 years, Oblon has made so many such relationships connecting individuals across various countries, cultures, and languages. These personal connections contribute to a better understanding, stability and peace within our global community" said Philippe Signore