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.

Dr. Yorikatsu Hohokabe Has Been Elected as a Director for LES 2023-2024

  • February 28, 2023
  • Firm News

Associated People

Oblon is pleased to announce that Dr. Yorikatsu Hohokabe has been elected as one of the Directors of LES Japan for 2023-2024.

His term for Director will be until February 21, 2024, which is the 4th consecutive years after resignation of a Vice President (for seven consecutive years of Vice Presidency) and 5-year term as Director before Vice Presidency from 2006. (9 years in total as Director and 7 years as Vice President, with two years' interruption during my stay in Alexandria office in 2008 and 2009.) 

He will also continue to be a leader of U.S. Issues Working Group for this year (for 13 consecutive years); number of members of this WG has increased to 30 practitioners (Japanese attorney-at-law, Japanese patent attorneys, U.S. attorneys, non-attorneys from industries), and also a leader of U.S. Issues (Kansai) Working Group for this year (for 5 consecutive years since established in 2019); number of members of this WG: 9 practitioners. (Total numbers correspond to 5% of total numbers of LES Japan members.)