the firm's post-grant practitioners are some of the most experienced in the country.

Technologies

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

History

Get to know our History

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.

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

ACCOLADES

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.

OPPORTUNITIES FOR YOUR

Career

OPPORTUNITIES FOR YOUR Career

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 +

Downloadable

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 Attorneys Ranked in 2025 IAM Patent 1000

  • June 19, 2025
  • Firm News

We are pleased to annouce that several of the firm's attorneys have been ranked in the 2025 edition of IAM Patent 1000.  The IAM Patent 1000 focuses exclusively on the patent practice and has firmly established itself as the definitive 'go-to' resource for those seeking world-class legal expertise.  IAM Patent 1000 identifies Oblon as offering IP services across the board from its Virginia and Tokyo offices, valuing long-term partnerships with clientele in order to offer the best possible work product.  2025 recognized attorneys include:

  • David M. Longo, PhD - partner in the firm's Electrical, Mechanical and Design practice groups, and is the chair of the firm's Prosecution Management Committee.
  • Marina I. Miller, PhD - partner in the firm's Chemical Patent Prosecution group; also serves as a member of the Life Sciences practice group.
  • Andrew M. Ollis - partner and Deputy Head of the Litigation Department; also a member of the Chemical and Mechanical practice groups.
  • Yuki Onoe - partner and co-chair of the Chemical Patent Prosecution group; Ms. Onoe also serves as the head of the Tokyo office and a partner in the Life Sciences and Litigation practice groups.
  • Philippe J.C. Signore, PhD - Managing Partner of the firm, as well as a partner in the Electrical and Mechanical Patent Prosecution Group; also serves on the Patent Litigation group and Counseling and Strategic Advice practice group.
  • Frank J. West - partner and Head of the Litigation Department; also serves on the Life Sciences and IP Transactions practice groups, and serves as the firm's General Counsel.