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 Awarded Certificate of Merit of LES International

  • May 19, 2023
  • Firm News

Associated People

Congratulations to Dr. Yorikatsu Hohokabe, CLP, Senior Advisor of the firm who was awarded a Certificate of Merit of LES International at the International Management & Delegates' Meeting held in Montreal, Canada on April 30, 2023.  For the past eighteen years, Dr. Hohokabe has served as Chair, Co-Chair or Vice Chair of several committees of LESI, including the current Co-Chair of the Membership Committee for five years, which is one of the management committees of LESI.  He had received LESI President’s Service Recognition Certificate last year, LESI Service Recognition Certificate in 2018, and LESI distinguished CEEM Fellow Award in 2014.