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Leo Lam focuses on IP and other complex civil litigation.  Leo has handled more than 100 patent cases in addition to trade secret, copyright, and trademark matters, and he also has substantial experience in general commercial disputes.  

Leo has appeared in jurisdictions nationwide and has worked with myriad technologies ranging from networking and telecommunications to semiconductors to medical devices.  Leo has a degree and professional experience in electrical engineering and is registered to practice before the U.S. Patent & Trademark Office.  His clients have included Comcast, Dexcom, Fortinet, Google, Netflix, SanDisk, TSMC, Varian Medical Systems, and Zscaler.  Regardless of the type of technology or area of law involved, Leo provides result-oriented, bottom-line strategies to achieve the best possible outcome for each client, whether by means of trial, pretrial disposition, or negotiation and settlement.

For example, Leo recently secured a complete defense verdict on behalf of Fortinet after a four-week jury trial in Santa Clara Superior Court where the plaintiff sought over $200 million in compensatory damages, plus further enhancements for punitive damages, for alleged fraud and breach of warranty. Leo also defended Google’s Nest thermostat products against patent claims asserted in the Western District of Texas, where we secured a jury verdict of non-infringement on one patent and summary judgment invalidating another.  As to a third patent, although the jury found infringement of one claim, we limited damages to a fraction of the plaintiff’s demand and eliminated running royalties.  The case is now on appeal before the Federal Circuit after we obtained a rare grant of a petition for rehearing en banc on damages issues.

Representing Comcast, Leo secured favorable rulings in the Eastern District of Pennsylvania that resulted in dismissal of numerous patent-, contract-, and tort-related claims for which the plaintiff made an 11-figure damages demand.  Leo has also successfully defended tech companies such as Zscaler and SanDisk in sprawling litigations against scores of asserted patents.  For Zscaler, Leo secured a favorable, cost-of-defense settlement after defending our client against 14 asserted patents and additional threatened assertions.  In parallel litigations defending SanDisk against dozens of asserted patents, Leo secured a complete defense verdict at a bellwether jury trial in the District of Delaware and won on summary judgment in the Northern District of California, leading to a favorable global settlement while the litigations were on appeal.

Leo maintains an active pro bono docket, currently including voting-rights and immigration/asylum matters.  He has also served on KVP’s Diversity Equity & Inclusion Committee, Diversity Scholars Committee, Compensation Committee, and Management Committee.

Leo Lam focuses on IP and other complex civil litigation.  Leo has handled more than 100 patent cases in addition to trade secret, copyright, and trademark matters, and he also has substantial experience in general commercial disputes.  

Leo has appeared in jurisdictions nationwide and has worked with myriad technologies ranging from networking and telecommunications to semiconductors to medical devices.  Leo has a degree and professional experience in electrical engineering and is registered to practice before the U.S. Patent & Trademark Office.  His clients have included Comcast, Dexcom, Fortinet, Google, Netflix, SanDisk, TSMC, Varian Medical Systems, and Zscaler.  Regardless of the type of technology or area of law involved, Leo provides result-oriented, bottom-line strategies to achieve the best possible outcome for each client, whether by means of trial, pretrial disposition, or negotiation and settlement.

For example, Leo recently secured a complete defense verdict on behalf of Fortinet after a four-week jury trial in Santa Clara Superior Court where the plaintiff sought over $200 million in compensatory damages, plus further enhancements for punitive damages, for alleged fraud and breach of warranty. Leo also defended Google’s Nest thermostat products against patent claims asserted in the Western District of Texas, where we secured a jury verdict of non-infringement on one patent and summary judgment invalidating another.  As to a third patent, although the jury found infringement of one claim, we limited damages to a fraction of the plaintiff’s demand and eliminated running royalties.  The case is now on appeal before the Federal Circuit after we obtained a rare grant of a petition for rehearing en banc on damages issues.

Representing Comcast, Leo secured favorable rulings in the Eastern District of Pennsylvania that resulted in dismissal of numerous patent-, contract-, and tort-related claims for which the plaintiff made an 11-figure damages demand.  Leo has also successfully defended tech companies such as Zscaler and SanDisk in sprawling litigations against scores of asserted patents.  For Zscaler, Leo secured a favorable, cost-of-defense settlement after defending our client against 14 asserted patents and additional threatened assertions.  In parallel litigations defending SanDisk against dozens of asserted patents, Leo secured a complete defense verdict at a bellwether jury trial in the District of Delaware and won on summary judgment in the Northern District of California, leading to a favorable global settlement while the litigations were on appeal.

Leo maintains an active pro bono docket, currently including voting-rights and immigration/asylum matters.  He has also served on KVP’s Diversity Equity & Inclusion Committee, Diversity Scholars Committee, Compensation Committee, and Management Committee.

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KVP Attorneys Recognized in 2025 Editions of The Best Lawyers in America® and the Best Lawyers: Ones to Watch® in America.

08/15/2024

The 2025 edition of The Best Lawyers in America® and the Best Lawyers: Ones to Watch® in America featured 25 KVP attorneys. Read more

Am Law Litigation Daily: Another Dose of Litigator of the Week Runners-Up and Shout Outs

08/12/2022

Litigators at Keker, Van Nest & Peters land runners-up honors in the case they’re handling for the PGA Tour involving antitrust claims brought by suspended golfers who have joined the professional golf tour’s upstart rivals at the LIV Golf Invitational Series. Read more

Federal judge denies LIV golfers bid for PGA Tour postseason

08/09/2022

A federal judge in California ruled Tuesday that three golfers who joined Saudi-backed LIV Golf will not be able to compete in the PGA Tour’s postseason. Read more

Leo Lam Reveals Significance of High Court's Induced Infringement Ruling

05/27/2015

In Commil USA LLC v. Cisco Systems Inc., the Supreme Court ruled a good faith belief that a patent is invalid is not a defense to induced infringement. Read more

Keker & Van Nest Wins Jury Verdict for SanDisk In Patent Dispute With Round Rock

01/30/2015

A Delaware federal jury found that two patents held by patent holding company Round Rock Research LLC covering flash drives and memory cards were invalid, following an eight-day trial in a patent infringement case against SanDisk Corp. Read more

Keker & Van Nest Wins Summary Judgment for TSMC in Patent Dispute with Ziptronix

10/21/2014

Ziptronix had asserted nine patents and more than 500 claims over TSMC’s manufacturing of semiconductors. Read more

2014 Patent Disputes Forum

05/06/2014

Ashok Ramani, Leo Lam, Gene Paige and other distinguished faculty will share their experience and insight into critical patent litigation topics. Read more

Keker & Van Nest Helps Comcast Shake Contract Claims in Networking IP Row

07/22/2013

A Delaware federal judge dealt a blow to British Telecommunications PLC in a pair of suits claiming infringement of several of data networking patents it has licensed, tossing the corporation's contracts counterclaims against Cox Communications Inc. and Comcast Corp. Read more

On Behalf of HTC, Keker & Van Nest Secures Deal To End Smartphone Patent Suits

11/14/2012

As lead counsel for HTC, we helped our client reach a global settlement that includes the dismissal of all current lawsuits and a 10-year license agreement. Read more

Federal Circuit Affirms Win for Comcast

09/14/2012

Keker & Van Nest wins a complete victory in patent infringement case. Read more

23 Keker & Van Nest Attorneys Named "Best Lawyers"

08/28/2012

The firm receives top rankings for bet-the-company, intellectual property, criminal defense, securities, commercial, legal malpractice, and appellate litigation. Read more

17 Partners Selected for 2012 Best Lawyers in America

09/01/2011

Keker & Van Nest partners were recognized in more than ten categories, including bet-the-company litigation, criminal defense, and intellectual property litigation. Read more

"Recent Developments Regarding Induced Infringement, Damages and Injunctive Relief," Daily Journal & Thomson Reuters Patent Disputes Forum, 2014