About Us
Practice Areas & Technologies
Practice Areas
E-Commerce and Marketplace IP
Freedom-to-Operate, Non-Infringement, and Invalidity Opinions
IP Asset Management and Licensing
IP Due Diligence and Transactions
IP Litigation
Patent Preparation and Prosecution
Post-Grant Proceedings Before the USPTO
Trade Secrets and Unfair Competition
Trademarks and Copyrights
Technologies
Biotechnology
Chemical Technologies
Cybersecurity
Electrical, Computer, and Software Technologies
Internet and Telecommunications
Mechanical, Electromechanical, and Optical Technologies
Pharmaceuticals and Biosimilars
Professionals
News
Case Studies
IP Asset Management and Licensing
Trust in Leydig’s comprehensive services and capabilities fuels client’s successes
IP Litigation
Leydig obtains positive outcome in software patent litigation
Pharmaceuticals and Biosimilars
Leydig spares client from drawn-out litigation and speeds release of multibillion-dollar biosimilars
Trademarks and Copyrights
Leydig’s meticulous due dilligence and strategic advocacy preserve crucial rebrand for multibillion-dollar client
Careers
Law Students
Summer Program
IP Law Fellowship
FAQs
Professional Development
Laterals
Patent Agents & Scientific Advisors
Professional Staff
Offices & Contact
Chicago
Alexandria
Boulder
Frankfurt
San Francisco Bay Area
Shenzhen
Home
Search site
Qi Yu
Qi Yu
Search
