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
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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.

Charles L. Gholz

Charles L. Gholz

Senior Counsel ∙ US Office
T: (703) 412-6485
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Representative Matters

Obtained summary judgment of non-infringement (affirmed on appeal) with respect to four patents on business forms.

Obtained a judgment in favor of client in an interference canceling the claims in its opponent’s patent on the ground of fraud.

Represented an airplane manufacturer in a leading interference on the issue of suppression or concealment in which the court held that public disclosure of the invention cuts off the suppression or concealment clock.

Established the eligibility for registration on the Principal Register of the shape of a part of a musical instrument.

Successfully represented a client in a leading opinion on 35 USC § 135(c) which held that an agreement settling an interference could be accepted for filing by the USPTO after termination of the interference despite the fact that the petition and petition fee were not filed within the six-month period following termination of the interference as required by 37 CFR 1.666.