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 2020

Schedule :

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 on February 20, 2020 at the Hotel Sofitel Munich Bayerpost.

Topics will include:
1. Claim interpretation during prosecution and admissibility of amendments – how to understand and navigate in examination before the USPTO and EPO;
2. US patent drafting tips for computer related inventions and EP examination practice on AI and IoT inventions;
3. US and EP practice on biosimilars and antibodies-related inventions; and
4. Doctrine of equivalents – recent developments.

Oblon speakers will include James Love, Dr. David Longo, Dr. Daniel Pereira, and Andrew Ollis.

If you plan to attend, please send an e-mail to or, identifying your name and affiliated company. The final registration deadline is January 31, 2020 and attendance is limited to 80 participants.

We look forward to welcoming you and your colleagues to the complimentary symposium, with casual reception to follow.