







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.

1968
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.

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.

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.

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.
November 5, 2026
November 5, 2026
November 12, 2026 at 7:00-8:30pm Eastern Time





Oblon was recognized by The Legal 500 as one of the America's leading firms in Patent Prosecution, Re-Examination and Post Grant Proceedings for the 11th straight year.
The National Academy of Inventors and the IPO Association, ranked an Oblon client, King Fahd University of Petroleum and Minerals (KFUPM), fourth place in the Top 100 Worldwide Universities Granted U.S. Utility Patents in 2018.
Oblon celebrated the 10th anniversary of the opening of the Oblon Tokyo Office with a lunch-reception attended by over 60 client guests. Thank you for your support!
Rob Tarcu at the USPTO Community Day 2019.
Managing Intellectual Property Magazine
Oblon Professionals took Ms. Kanako So from MCC, Mr. Masataka Shinomiya from Kuraray, and Dr. Seizaburo Shiraga from Ajinomoto and his family on a ski trip to the Whitetail Resort in Mercersburg, PA this past Wednesday.
International Women's Day was celebrated Friday afternoon at an informal reception held at the Firm. Oblon recognized the valuable contributions of all "the women of Oblon" and the knowledge and expertise they bring to the Firm's successes every day. This year's theme of International Women's Day is "#Balance for Better."
The USPTO issued a release stating: The Fee Schedule has been updated for the following change, effective March 1, 2019
