Litigation - Patent
Henry C. Bunsow
Recognized in Best Lawyers since 2006 Awarded Practice Areas
Biography
Henry C. Bunsow has been lead trial counsel in more than 40 patent jury trials, winning over 90 percent of them. He has successfully argued appeals before the Court of Appeals for the Federal Circuit and represents clients in matters before district courts across the nation, the Court of Appeals for the Federal Circuit and the U.S. International Trade Commission (ITC) under Section 337. In 2011, he received the California Lawyer Intellectual Property Attorney of the Year Awardand he has consistently been named a "Super Lawyer" by The Daily Journal in its annual ranking of Northern California attorneys since 2004.
Henry’s primary emphasis has and continues to be representing clients before district courts and courts of appeal in complex patent cases involving technology including electronics, integrated circuits, networking, software, biotechnology and mechanics. By utilizing his combination of trial skills, technical background and the support of Bunsow De Mory attorneys and staff, he provides clients with proven pretrial strategies and trial capabilities thereby maximizing opportunities for litigation success. Henry's recent trials have been in a variety of jurisdictions including Texas, Delaware and Arizona. He has tried more than nine cases to verdict in Texas including: winning two jury trials in Dallas before Judge Barbara Linn; winning a defense case jury verdict before Judge Paul Brown in Sherman; winning seven plaintiff jury verdicts before Judge T. John Ward in Marshall; and winning a favorable settlement during a jury trial before Magistrate Judge Chad Everingham in Marshall. Henry has appeared at numerous Markman hearings, motions and court conferences in the Texas courts. In Delaware during 2010, Henry and his trial team won a defense verdict of invalidity of four patents asserted against the famous Pro-V1 golf ball; in Phoenix, he won a defense verdict of non-infringement of four patents and twelve claims asserted against a chemical mechanical polishing slurry for use in semiconductor fabrication; and in Marshall, he won a court judgment finding inducement of infringement against an offshore manufacturer of inverter controller chips for LCD displays.
Henry’s primary emphasis has and continues to be representing clients before district courts and courts of appeal in complex patent cases involving technology including electronics, integrated circuits, networking, software, biotechnology and mechanics. By utilizing his combination of trial skills, technical background and the support of Bunsow De Mory attorneys and staff, he provides clients with proven pretrial strategies and trial capabilities thereby maximizing opportunities for litigation success. Henry's recent trials have been in a variety of jurisdictions including Texas, Delaware and Arizona. He has tried more than nine cases to verdict in Texas including: winning two jury trials in Dallas before Judge Barbara Linn; winning a defense case jury verdict before Judge Paul Brown in Sherman; winning seven plaintiff jury verdicts before Judge T. John Ward in Marshall; and winning a favorable settlement during a jury trial before Magistrate Judge Chad Everingham in Marshall. Henry has appeared at numerous Markman hearings, motions and court conferences in the Texas courts. In Delaware during 2010, Henry and his trial team won a defense verdict of invalidity of four patents asserted against the famous Pro-V1 golf ball; in Phoenix, he won a defense verdict of non-infringement of four patents and twelve claims asserted against a chemical mechanical polishing slurry for use in semiconductor fabrication; and in Marshall, he won a court judgment finding inducement of infringement against an offshore manufacturer of inverter controller chips for LCD displays.
Overview
- Santa Clara University, graduated 1974
- California, The State Bar of California
- California, The State Bar of California
- Santa Clara University, graduated 1974
Client Testimonials
Awards & Focus
Recognized in The Best Lawyers in America® 2026 for work in:
- Litigation - Patent
Additional Areas of Practice:
- Litigation - Intellectual Property
Special Focus:
- Electronics
- Information Technology
- Internet
- Patent
- Software
- Unfair Trade Practices
Awards:
- 2011 California Lawyer Magazine Attorney of the Year for Intellectual Property Litigation
- Super Lawyer designation for past ten-years
News & Media
Case History
Cases
- Callaway Golf v. Acushnet Golf (Titlelist)
Henry was lead trial in this defense case for Acushnet in which Acushnet was accused of infringing four patents relating to the chemical and mechanical composition of the Pro V1 golf ball - the most successful ball in golf history. In a jury trial in Delaware District Court (Judge Sue Robinson) the jury found all four patents invalid under 35 USC 102 and 35 USC 103.
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