Keith L. Slenkovich


Slenkovich, Keith L.

Keith Slenkovich is an experienced trial lawyer, who represents technology companies in intellectual property disputes and complex commercial litigation. As lead trial counsel, Mr. Slenkovich has taken more than two dozen cases to verdict in state and federal courtrooms throughout the country. His intellectual property experience includes numerous patent, trade secret, copyright and trademark cases, including disputes alleging infringement or misappropriation in the clean tech, telecommunications, semiconductor, software, and manufacturing fields. As part of his intellectual property practice, Mr. Slenkovich regularly represents companies in Section 337 cases before the US International Trade Commission, and has tried matters to international tribunals such as the Hong Kong International Arbitration Centre. His commercial litigation experience includes cases involving unfair trade practices as well disputes arising out of the energy, construction, advertising and financial services industries. Mr. Slenkovich has argued to federal and state appellate courts throughout the country.

In addition to his private practice, Mr. Slenkovich has been recognized for his contributions to pro bono representation. Mr. Slenkovich was honored in 2012 with the John H. Pickering Pro Bono Award for Exemplary Dedication to the Provision of Pro Bono Publico Legal Services, and in 2013 with the Robert G. Sproul, Jr. Award for Providing Outstanding Legal Representation to Under-Represented Communities, presented by the Lawyers Committee for Civil Rights at the 26th Annual Dr. Martin Luther King, Jr. Awards Luncheon on January 31, 2013.

Mr. Slenkovich is admitted to practice in the State of California and before the United States Supreme Court, the United States Court of Appeals for the Federal Circuit, the United States Court of Appeals for the Ninth Circuit, the Supreme Court of California, the United States District Court for the Eastern District of Texas and all United States District Courts of California.

Mr. Slenkovich has been a frequent guest lecturer in patent law courses at institutions such as the University of California, Berkeley (Boalt Hall) and Santa Clara University. He has also been a presenter at WilmerHale's West Coast Intellectual Property Conference. 

Honors & Awards

  • Recognized in the 2009-2014 editions of Northern California Super Lawyers for his intellectual property litigation practice
  • Named to the Daily Journal's 2013 list of "Top Intellectual Property Lawyers" in California for his leadership and innovation
  • Received the 2013 Robert G. Sproul, Jr. Award from the Lawyers Committee for Civil Rights for providing outstanding legal representation to under-represented communities and marshaling the resources of his firm to defend the disenfranchised
  • Recipient of the 2012 John H. Pickering Pro Bono Award for Exemplary Dedication to the Provision of Pro Bono Publico Legal Services

Publications & News


September 27, 2013

Law360 Names WilmerHale Pro Bono Firm of the Year for Second Consecutive Year

For the second consecutive year, Law360 selected WilmerHale to its "Pro Bono Firms of the Year" list for notable successes.

April 22, 2013

Selwyn and Slenkovich Selected to Daily Journal’s 2013 List of “Top Intellectual Property Lawyers”

March 20, 2013

The Daily Journal Publishes “More Operating Companies Asserting Patent” By Keith Slenkovich

An article by Partner Keith Slenkovich, published in March 20, 2013 edition of The San Francisco Daily Journal.

February 1, 2013

Keith Slenkovich Honored As Recipient of the Lawyers’ Committee for Civil Rights’ Robert G. Sproul Jr. Award

On January 31, 2013, Partner Keith Slenkovich was honored with the Lawyers’ Committee for Civil Rights of the San Francisco Bay Area’s Robert G. Sproul Jr. Award, presented to an exemplary partner who has provided outstanding legal representation for under-represented communities and marshaled the resources of his/her firm to defend the rights of the disenfranchised.

July 24, 2012

WilmerHale Achieves Significant Victory for Client MediaTek in ITC Action

April 6, 2010

Victory for Grace Semiconductor and IDT in Patent Infringement Suit

March 2, 2010

Green IP: Avoiding Mistakes Of Technologies Past

An article by Keith Slenkovich, published in Law360.

September 5, 2008

Business Method Patents And The Potential For Inequitable Conduct Claims

An article by Keith Slenkovich, published by Technology Law Updates.

August 8, 2008

Recent Patent Law Developments Draw Patent Holders To International Trade Commission

An article by Keith Slenkovich, published by Technology Law Updates.

August 29, 2007

“Triple Dose of Bad News to Non-Practicing Patent Holders,”

An article by Keith Slenkovich, published by IP Frontline and also featured in the California State Bar Association Intellectual Property Section, New Matter, (October 2007, Vol. 32, No. 3).

Recent Highlights

In recent years, Mr. Slenkovich’s work has included the following matters:

  • Lead trial counsel for plaintiff in three-patent case involving semiconductor bus arbitration and energy conservation technology. Obtained judgment as a matter of law of validity and infringement of principal patent, leaving only damages to be tried. Within days of achieving JMOL of liability, obtained highly favorable settlement for client. 
  • Lead trial counsel for respondent in International Trade Commission investigation related to semiconductor bus termination technology. Obtained trial victory of no violation for client on three alternative grounds: invalidity, non-infringement and lack of domestic industry. Trial victory upheld by full Commission.
  • Represented plaintiff in patent case arising out of solar cell and semiconductor manufacturing equipment technology. As lead trial counsel, obtained first verdict of validity, infringement and permanent injunction following the seminal KSR v. Teleflex decision. Successful verdict, which was upheld on appeal, prevented defendant from bringing to market product line which had threatened $1 billion annual market.
  • Represented respondent as lead trial counsel before International Trade Commission in action seeking to bar importation of client's semiconductor chips on the basis of alleged process patent infringement. Obtained determination from ALJ and full commission that patent was invalid, resulting in finding of no violation.
  • Represented defendant in trade secrets case involving competing semiconductor companies. As lead trial counsel, successfully defended case against threatened product injunction, achieving dismissal of all claims.
  • Represented plaintiff as lead trial counsel in declaratory judgment action challenging the enforceability of patents related to internet marketing technology on basis of inequitable conduct. Obtained uncompensated, worldwide license to all patents at issue.
  • Represented plaintiff in trade secrets case involving semiconductor process technology. As lead trial counsel, obtained permanent injunction barring use of proprietary technology and former employee contact with competitor.
  • Represented respondent before International Trade Commission in action seeking exclusion order barring importation of digital cameras on the basis of alleged patent infringement. Achieved favorable settlement following ITC hearing and Office of Unfair Import Investigations findings that all patents were invalid and not infringed.
  • Represented plaintiff in claims arising out pharmaceutical plant's high purity gas delivery system. As lead trial counsel, obtained $26 million trial victory for client.

Professional Activities

Mr. Slenkovich is a member of the American Bar Association (Intellectual Property Section), the International Trade Commission Trial Lawyers Association and the Intellectual Property Owners Association, Standards Setting Committee.

Community Involvement

Mr. Slenkovich is a recent Board Chairman and Director of Silicon Valley Habitat for Humanity. He is also a member of the Santa Clara County Law Foundation Fair Housing Project.


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JD, University of California, Berkeley School of Law, 1987

BA, cum laude, Colorado College, 1983, Phi Beta Kappa

Bar Admissions


United States Supreme Court