Gregory K. Sobolski

Some of Mr. Sobolski’s matters include:

• Medline v. Bard – counsel to Medline in multiple competitor patent infringement disputes in the Northern District of Illinois and Northern District of Georgia related to urinary catheterization technology.
• Magic Labs. v. Privy – counsel to Privy in competitor action related to cryptography and blockchain technology.
• Duolingo v. Modern Fonts Association; CoStar v. Modern Fonts Association – counsel to Duolingo and CoStar in declaratory judgment action and IPR proceedings that culminated in finding that all challenged claims were invalid. Currently representing company in the patent owner’s appeal before the Federal Circuit. This representation was twice recognized in the American Lawyer’s Litigator of the Week.
• Celgard v. Senior Shenzhen Technology – counsel for Senior Shenzhen Technology in a multi-year global trade secret and patent dispute relating to lithium-ion battery technology. Defeated Celgard’s motion for a preliminary injunction in the Northern District of California, earning recognition from the American Lawyer.
• Magna Mirrors of America v. SMR – defended SMR entities in a patent infringement action in the Western District of Michigan. The case involved nine patents and 11 defendants located in various countries, and raised complex issues related to topics including venue, jurisdiction, and sufficiency of pleadings in patent cases. At trial, the jury found no infringement and all asserted claims invalid.  
• AbbVie v. Gilead Sciences – counsel to AbbVie in a competitor patent infringement action related to landmark Hepatitis C treatments.
• Pharmacyclics v. AstraZeneca – counsel to Pharmacyclics (an AbbVie company) in a competitor patent infringement action and countersuit related to blood cancer drugs.
• EnerPol v. Schlumberger – counsel to Schlumberger (now SLB) in successful defense of patent infringement action in the Eastern District of Texas related to oil and gas processing technology. Following a successful claim construction order, the plaintiff stipulated to SLB’s non-infringement to pursue an appeal. The Federal Circuit ultimately affirmed.  
• DuPont v. Heraeus Materials Technology – counsel to Heraeus in multi-jurisdictional competitor cases related to silver photovoltaic pastes used in solar panel manufacturing.
• Mayo Labs. v. Prometheus Labs – counsel to Prometheus in landmark Federal Circuit and Supreme Court appeals regarding patent-eligible subject matter under 35 U.S.C 101.
• Cross Match Technologies v. Suprema – counsel to Cross Match before the International Trade Commission in case related to fingerprint scanners. Following trial, the ITC issued an exclusion order barring the accused products from importation into the US. On appeal, the Federal Circuit issued an en banc affirmance.