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.

David M. Longo, Ph.D.

David M. Longo, Ph.D.

Partner ∙ US Office
E: dlongo@oblon.com
T: (703) 412-1791
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Past Events

L'European American Chamber of Commerce (France)

Schedule : at Cercle de l'Union Interalliée 33 Rue du Faubourg Saint Honore, 75008 Paris

IP Summit 2015

Schedule : at Berlin, Germany

The Importance of Opinions of Counsel

Schedule : at American Chemical Society - San Juan, Puerto Rico

The Nanotechnology Dilemma: the Intersection of Nanotechnology and Obviousness

Schedule : at Nanotech Insight 2009 - Barcelona, Spain

What is Obvious? A Review of Recent Cases and Tips for Prosecuting Patent Applications

Schedule : at American Chemical Society - Nashville, TN

Practical Tips for Prosecuting Patent Applications and Recent Developments in US Patent Law

Schedule : at Materials Science & Technology 2008 - Pittsburgh, PA