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.

Kathryn  Chabal, Ph.D.

Kathryn Chabal, Ph.D.

Technical Advisor
T: (703) 412-3531
F: (703) 413-2220
Download Summary PDF
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Kathryn Chabal, Ph.D., is a technical advisor in the firm’s Chemical Patent Prosecution group where she focuses on preparing and prosecuting patent applications for domestic and international clients. She is experienced in life sciences, biochemistry, inorganic chemistry, and electrochemistry.

Prior to joining Oblon, Dr. Chabal earned her doctoral degree from the University of Utah, where she studied fundamental chemical reaction processes such as water oxidation and oxygen atom transfer using spectroscopic, electrochemical, and computational methods.

Following graduation, Kathryn interned as a patent engineer at a firm in Colorado, where she focused on prosecuting patent applications in wireless communication, 5G technology, and artificial intelligence. 


  • University of Utah
    • Chemistry, Ph.D.
  • Wartburg College
    • Biochemistry, B.A.