Jennifer R. Bush

Overview

Jennifer Bush represents clients in a variety of post-grant proceedings and patent litigation matters, including Federal Circuit appeals. She has substantial experience before the Patent Trial and Appeal Board (PTAB), serving as both lead and backup counsel in numerous inter partes reviews (IPR), post-grant reviews (PGR), patent appeals, and patent reexamination proceedings.  

Jennifer has been recognized by the PTAB Bar Association among the Top 50 Women in PTAB Trials and has served as lead or backup counsel in 35 PGRs to date, making her the most experienced PGR attorney in the US. Jennifer regularly achieves favorable results for clients in patent suits, including obtaining multiple decisions of patent ineligibility under Section 101 from both the PTAB and the Court of Appeals for the Federal Circuit. 

Jennifer has over a decade of patent prosecution experience across a wide range of technical fields, including computer software, internet technologies, RFID, life sciences, and medical devices. This deep prosecution background enhances her litigation practice, allowing her to take a wholistic approach to patent law.  

In addition to providing legal services for her clients, Jennifer has been a Lecturer-in-Law at the University of California, Davis School of Law, and has lectured on topics related to patent law at the University of California College of the Law, San Francisco, and Santa Clara University School of Law. She also was a member of the faculty at the Practising Law Institute, and co-chair of the annual Fundamentals of Patent Prosecution boot camp for over a decade. 

Prior to joining Wolf Greenfield, Jennifer practiced at an Am Law 100 firm as well as serving as the sole counsel at a prior company for seven entities spanning a breadth of legal issues, including IP, employment, contract, securities, tax, and general compliance matters. 

Experience

• IPR counsel for CSafe Global, a global cold chain shipping provider, before the US Patent Trial & Appeal Board and part of the team involved in related patent litigation in the Northern District of Georgia, whereby CSafe seeks to enforce its patents against its competitor, Envirotainer AB.  
• Counsel for DocuSign for a series of successful IPRs against a former expert who filed multiple suits against the company; also was part of the team working on the co-pending litigation and Federal Circuit appeal.  
• Represented Supercell Oy at the PTAB as part of a longstanding patent dispute with rival video game company GREE, Inc., including a series of PGR victories including meaningful institutions and claim cancellations, and invalidation of several key patents for claims asserted against Supercell Oy in litigation. 
• IPR counsel representing a genealogy company in cases related to collection vials for DNA samples. Part of the team that pursued the IPRs through the oral hearing, however, the overall dispute settled before a final written decision. 
• Represented a multinational information technology company against a notorious non-practicing entity who was targeting small businesses using print-to-email technology. Successfully invalidated nearly all claims. 
• Successfully defended Federal Circuit appeal of two PTAB victories for client Supercell Oy (2020, 2021) 
• Successfully defended re-exam of Amazon’s “1-click” patent (US 5,960,411) 
• Wrote patent displayed at PTO posthumous Steve Jobs Exhibit (US 7,797,643) 

Activities

• PTAB Bar Association, Board of Directors

Recognition

• PTAB Bar Association: Top 50 Women in PTAB Trials 
• Managing IP: Repeatedly named an IP Rising Star 
• Patexia IPR Intelligence Report: Ranked among the top 250 most active attorneys practicing before the PTAB