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About Doug

Doug Stewart's experience spans a wide range of technologies, including computer hardware and software, consumer electronics, image processing and LED technology, data transmission and encryption, telematics, mechanical devices, and chemical and pharmaceutical compounds, among others.

A registered patent attorney, Doug's practice encompasses all aspects of intellectual property and technology litigation and counseling, including patents, trademarks, trade secrets, copyrights and domain names. He litigates patent and other intellectual property disputes in courts throughout the United States, including key patent jurisdictions such as the Western and Eastern Districts of Texas, the District of Delaware, and the Northern and Central Districts of California, with a particular emphasis on assisting international technology companies with U.S. patent issues. Doug also represents companies in Section 337 actions before the International Trade Commission, appeals to the Federal Circuit, and contested administrative proceedings before the PTAB and the TTAB. In addition, Doug represents and advises clients in connection with non-litigated IP issues, including licensing and IP strategy; patent portfolio and prosecution management; technology agreements; patent royalty audits; and related diligence issues.

A frequent lecturer on topics related to patent law and patent litigation, Doug was an adjunct professor at the University of Washington School of Law for ten years where he taught a patent litigation course in the Intellectual Property LLM program and participated in the Summer Institute hosted by the Center for Advanced Study and Research in Innovation Policy.  Doug continues to guest lecture at UW on topics related to patent litigation.

Sources describe him as ‘a very good patent litigator.’
Chambers USA, 2022

Experience

Recent Notable Matters

Toshiba America Electronic Components, Inc. — secured voluntary dismissal with prejudice and without any payment after four-year litigation over patents related to self-encrypting solid state and hard disc drives

Toshiba America Business Solutions, Inc. — invalidated five patents related to facial recognition algorithms, digital marketing, and the capture and manipulation of digital images.  Successfully argued and obtained affirmance of the judge’s order from the Federal Circuit Court of Appeals.

Big Fish Games — over the course of three hard-fought cases, invalidated 11 patents asserted by three different entities. Included two appeals to the Federal Circuit.

HTC Corporation — Obtained a complete victory for consumer electronics company HTC in a trademark infringement case in the Eastern District of Virginia on summary judgment days before trial was set to begin. Successfully argued and obtained affirmance of the judge’s order from the Fourth Circuit Court of Appeals.  Subsequently obtained a ruling entitling HTC to recover $1.5 million in fees based on the exceptional nature of the case.

In re Audio Processing Hardware and Software and Products Containing the Same — patent-based 337 action, ITC; audio processing circuitry and software

In re Certain Motion-Sensitive Sound Effects Devices and Image Display Devices and Components and Products Containing the Same — patent-based 337 action, ITC; video signal circuitry and processing techniques

Nordstrom, Inc. — patent infringement, U.S. District Court for the Eastern District of Texas; XML-based database query and data management

Cisco Systems, Inc., et al. — patent infringement, U.S. District Court for the District of Delaware; operating systems and applications for database access

Toshiba America Information Systems, Inc. — patent infringement, U.S. District Court for the Eastern District of Texas; system for hard drive data security

Xerox Corp., et al. — patent infringement, U.S. District Court for the Eastern District of Texas; computer controlled printer technology

Ogma LLC — patent infringement, U.S. District Court for the Eastern District of Texas; video signal circuitry and processing techniques

Fujitsu Computer Products, et al. — patent infringement, U.S. District Court for the Eastern District of Texas; email and facsimile technology

General Electric Co., et al. — patent infringement, U.S. District Court for the Western District of Washington; power supply and controllers for LED lamps

Matsushita Electrical Industrial Co., Ltd. — patent infringement, U.S. District Court for the Western District of Washington; radio frequency receiver technology

Apple Inc., et al. — patent infringement, U.S. District Court for the Eastern District of Texas; data encryption

AT&T Inc., et al. — patent infringement, U.S. District Court for the Western District of Washington; data communication over digital wireless networks

Barco N.V., et al. — patent infringement, U.S. District Court for the Northern District of Illinois; video signal circuitry and processing techniques

AT&T Intellectual Property — patent infringement, U.S. District Court for the Northern District of Texas; vehicle navigation technology

Publications and Speeches

"Software patents survive Supreme Court's Alice decision, but questions linger," West Law Journal, Vol. 31, Issue 3, July 2014.

CASRIP Transnational Intellectual Property Seminar, Dresden, Germany, March 2014; London, England, March 2013; Alicante, Spain, March 2011; Rome, Italy, March 2009; Tokyo, Japan, March 2007.

"Challenging Patent Validity In The USPTO," Waseda University School of Law, Tokyo, Japan, June 2012.

"IP Protection in the Information Age," Renmin University School of Law, Beijing, China, June 2012.

Credentials

Education

Seattle University School of Law,
J.D.
2003
magna cum laude
University of Washington,
M.S., Chemistry (Analytical)
2000
University of Florida,
B.S., Chemistry
1998
Honors

Bar Admissions

Washington
U.S. Patent and Trademark Office

Affiliations

Japan-America Society
Past Board of Directors
Japan-America Society
Past Secretary
King County Bar Association
IP Section, Past Chair, 2011 - 2012

News

News

Insights

Noteworthy

Noteworthy

Chambers USA
Washington Intellectual Property, 2015 - 2022
Globe Business Publishing Ltd.
IAM Patent 1000
2012 - 2014, 2017 - 2020
BL Rankings
Best Lawyers
Litigation - Intellectual Property, 2016 - 2022; Litigation - Patent, 2021 - 2022; Seattle Lawyer of the Year, Litigation - Patent, 2021; Seattle Lawyer of the Year, Litigation - Intellectual Property, 2020
Thomson Reuters
Washington Super Lawyers
2013 - 2021
Thomson Reuters
Washington Super Lawyers Rising Star
2007 - 2012
Seattle University School of Law
Seattle University Law Review
Research and Technical Editor

Events

Past Events

Seoul September 3, 2014