Rankings: The top PTAB petitioners, patent owners and law firms in 2018

Managing IP is part of Legal Benchmarking Limited, 1-2 Paris Gardens, London, SE1 8ND

Copyright © Legal Benchmarking Limited and its affiliated companies 2026

Accessibility | Terms of Use | Privacy Policy | Modern Slavery Statement

Cookies Settings

Rankings: The top PTAB petitioners, patent owners and law firms in 2018

January 17 2019
PTAB 2018 filing by year 168

Managing IP reveals rankings for Patent Trial and Appeal Board filing last year. Apple regained the top petitioner status, Qualcomm was the top patent owner and Fish & Richardson remained the law firm involved in the most disputes

Unlock this content.

The content you are trying to view is exclusive to our subscribers.

To unlock this content:

Take a Free Trial or Login

Topics

United StatesNewsPatentsNorth AmericaJurisdictions
more from across site and SHARED ros bottom lb

More from across our site

Trademarks
Westminster-comp.jpg
This week on MIP: Ex-client sues Norton Rose | UKIPO celebrates TM milestone
A counterfeiting crackdown targeting fake FIFA World Cup merchandise and new partner hires by CMS, HGF and Winston Strawn were also among the top talking points
Sukanya Sarkar, April 24 2026
Trademarks
Resignation.jpg
Weekly take: What do law firms gain from holding grudges?
Law firms need to accept the hard truth: talent migration isn't personal; it's business as usual
Sukanya Sarkar, April 24 2026
Patents
Albright.jpg
Judge Albright, Waco’s one-time patent king, to step down
Judge Alan Albright is to leave his role at the Western District of Texas, and could return to private practice
Sanjana Mishra, April 23 2026
Trademarks
Rolls 2k-comp.jpg
IP firm wins strike out in contempt of court claim
Stobbs has successfully seen off a contempt of court application filed against the firm and two of its lawyers
April 23 2026
Patents
Marshall Gerstein's Randall Rueth.jpg
Leadership change signals new era for Chicago IP boutique
After almost a quarter of a century, Marshall Gerstein has a new managing partner
Sanjana Mishra, April 23 2026
Patents
Nokia new.jpg
UPC update: Nokia claims anti-anti-suit win | French firm launches
Abbott winning another round against Sinocare and Menarini, and 'long arm' clarification on the UK's position within the UPC, were also among major developments
April 23 2026
Trademarks
Maria Peyman.jpg
‘Natural synergy’: why Birketts’ IP team is joining the commercial practice
Maria Peyman, head of IP at Birketts, explains why the firm is adopting a ‘seamless approach’ for clients by integrating two of its practice areas
April 22 2026
Trademarks
Matthew_Swinn_023_2021111532614613 cropped.jpg
Fresh chapter: why Mallesons has high IP hopes post-independence
Matthew Swinn, who leads the firm’s IP practice, discusses why Mallesons is well-placed to remain a major IP force
Sukanya Sarkar, April 22 2026
Patents
Europe viewed from space at night with city lights in European Union member states, global EU business and finance, satellite communication technology, 3D render of planet Earth, world map from NASA
Stock take: long-arm jurisdiction at the UPC
Lawyers at A&O Shearman analyse developments regarding UPC’s long-arm jurisdiction, including its scope and jurisdictional limits
Frits Gerritzen, April 21 2026
Patents
Artboard 1 copy 6@4x.png
The IP Lounge: USPTO's first woman director on breaking barriers
Michelle Lee discusses reaching milestones at the USPTO, AI’s role in legal work, and how to empower women in tech and IP
Sanjana Mishra, April 21 2026
Gift this article