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.

Joint International Symposium on U.S. and European Patent Practice 2019

Schedule : at Tokyo and Osaka, JapanTokyo - Fukuracia Marunouchi Oazo & Osaka - Osaka Science & Technology Center

The Oblon and Maiwald firms are pleased to invite you to a complementary:

Joint International Symposium on U.S. and European Patent Practice that will be presented in two convenient locations/dates:

1. Tokyo: Monday, June 3, 2019 at the Fukuracia Marunouchi Oazo
2. Osaka: Monday, June 10, 2019 at the Osaka Science & Technology Center

This complimentary symposium will include serial translation from English to Japanese.
Drinks and hors d’oeuvres will be provided at a casual reception following the symposium.

If you plan to attend, please send an e-mail to or, identifying your name, affiliated company, and place of participation (Tokyo or Osaka). The final registration deadline is May 15, 2019 and attendance is limited to 100 participants in Tokyo and 60 in Osaka.

We look forward to welcoming you and your colleagues.

Click here for full event details: English and Japanese