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 Ranked for Intellectual Property in Northern Virginia in 2024 Chambers USA Guide

  • June 6, 2024
  • Firm News

We are pleased to announce that the 2024 edition of the Chambers USA legal industry guide has ranked the Oblon firm in Band 1 in Northern Virginia for Intellectual Property.

The Chambers USA guide stresses that "Oblon is a respected IP boutique with significant expertise in undertaking patent prosecution for a variety of top-tier technology clients.  It is also adept at advising on patent litigation, IP transactions and post-grant proceedings.  The firm has an impressive international footprint, with notable strength in the Japanese market through its affiliate office in Tokyo.  It represents clients before state and federal courts as well as the Patent Trial and Appeal Board."

Other firm clients commented, "The team at Oblon handles complex IP issues for us, and is always able to combine expert knowledge of the IP laws and client needs to deliver a good outcome.  They really understand the client's needs."

Chambers and Partners annually ranks leading U.S. firms based on in-depth research and interviews with law firms, clients and third parties. For more information, visit