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.

Chris Tuinenga, Ph.D.

T: (703) 412-3521
F: (703) 413-2220
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Chris Tuinenga, Ph.D. is an associate in the firm’s Chemical Patent Prosecution practice group, focusing on patent preparation and prosecution for domestic and international clients in a wide range of technical areas, such as active pharmaceutical ingredients, formulations, semiconductors, light-emitting diode (LED), organic light-emitting diode (OLED), polymer chemistry, bioengineering and many others. Prior to joining the firm, Chris was working in pharmaceutical litigation.

Chris earned his Ph.D. in Chemistry from Kansas State University where he studied the optical and electronic properties of doped nanocrystals. He held postdoctoral research positions at the U.S. Army Research Labs in Maryland and at the University of Notre Dame studying light emitting materials. Prior to entering law school, Chris was an adjunct chemistry professor at several colleges in the Chicago area.


  • Chicago Kent College of Law Illinois Institute of Technology (J.D.)
  • Kansas State University (Ph.D.)
    • Inorganic and Materials Chemistry
  • Augustana College (B.A.)
    • Chemistry


  • Illinois
  • U.S. Patent and Trademark Office


  • CALI Award – Patent Office Practice

  • DAAD RISE Professional Research Fellowship