The fine line between abuse and fair use at the PTAB

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

Copyright © Legal Benchmarking Limited and its affiliated companies 2025

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

Cookies Settings

The fine line between abuse and fair use at the PTAB

May 27 2015
Kyle Bass

Hedge fund manager Kyle Bass has outraged the pharma and biotech industries by seeking to invalidate their patents at the PTAB, with some observers linking his attacks to short-selling of company stocks. Michael Loney reports on a controversy that goes to the heart of the US patent system

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

FeaturesNewsUnited StatesNorth AmericaJurisdictions
more from across site and SHARED ros bottom lb

More from across our site

Patents
Photo merge template.png
Squire Patton Boggs and Blank Rome pinch DLA Piper partners
Two partners have departed DLA Piper to join Squire Patton Boggs and Blank Rome in San Francisco and Chicago, respectively
December 03 2025
Patents
Businessman walking a tightrope over a cityscape
‘Walking a tightrope’: practitioners assess impact of UPC fee hike
Practitioners say a 32% rise in court fees is somewhat expected to maintain the UPC’s strong start, but some warn that SME clients could be squeezed out
Max Walters, December 03 2025
Trademarks
Tires.jpg
Behind the case: How CAM secured India’s first ‘smell’ trademark
Swati Sharma and Revanta Mathur at Cyril Amarchand Mangaldas explain how they overcame IP office objections to secure victory for a tyre manufacturer
Sukanya Sarkar, December 02 2025
Patents
Claudiu.jpg
Romanian firm founder: a ‘mastery in IP’ takes time
Claudiu Feraru, founder of Feraru IP, discusses the benefits of a varied IP practice and why junior practitioners should learn from every case
December 02 2025
Patents
Podcast logo v1.png
Podcast: Celebrating, supporting and inspiring ethnic minority IP professionals
In the ninth episode of a podcast series celebrating the tenth anniversary of IP Inclusive, we discuss IP & ME, a community focused on ethnic minority IP professionals
December 01 2025
Patents
United States Patent and Trademark Office. USPTO
Law firms cherish PTAB expertise amid policy overhaul
Firms that made strategic PTAB hires say that insider expertise is becoming more valuable in the wake of USPTO changes
Sanjana Mishra, December 01 2025
Patents
Aled Richards-Jones - November 2025 high quality colour.jpg
Mewburn Ellis continues litigation push with Carpmaels hire
Aled Richards-Jones, a litigator and qualified barrister, is the fourth partner to join the firm’s growing patent litigation team this year
December 01 2025
Patents
Untitled design (2).jpg
‘Opportunistic eaters’: Brownstein bets on slow burn for New York IP growth
An IP lawyer tasked with helping to develop Brownstein’s newly unveiled New York office is eyeing a measured approach to talent hunting
Sanjana Mishra, December 01 2025
Trademarks
AmandaGriffithsImage.jpg
Exclusive: Pearce IP adds trademark veteran from AJ Park
Amanda Griffiths, who will be tasked with expanding the firm’s trademark offering in New Zealand, says she hopes to offer greater flexibility to clients at her new home
Sukanya Sarkar, December 01 2025
Patents
AI-image
This week on MIP: USPTO revises AI guidance | TSMC sues Intel
News of EasyGroup failing in its trademark infringement claim against ‘Easihire’ and Amgen winning a key appeal at the UPC were also among the top talking points
Sukanya Sarkar, November 28 2025
Gift this article