PTAB 4 Years In: Don’t Estop Me Now

September 09 2016

The Federal Circuit this year has provided some guidance on how district courts should treat estoppel from Patent Trial and Appeal Board trials. This has made defendants less terrified about estoppel but many questions remain. Practitioners are also concerned about how confidential material is treated in district courts and the Board

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

more from across site and SHARED ros bottom lb

More from across our site

Trademarks

PONTYPRIDD, MID GLAMORGAN, WALES, UK - SEPTEMBER 25, 2024: IRN BRU BOTTLES SCOTTISH SOFT DRINK ON DISPLAY

Dickson Minto on hand as Irn-Bru makers ink £50m acquisition deals

AG Barr acquires drinks makers Fentimans and Frobishers, in deals worth more than £50m in total

February 04 2026

Weekly take: Are patent filings alone representative of innovation?

Tarun Khurana at Khurana & Khurana says corporates must take the lead if patent filing activity is to truly translate into innovation

Tarun Khurana, February 04 2026

Patents

Connecting people on the internet, nodes transforming. Social network connections. Information technology of internet of things IOT big data clouds computing using artificial intelligence AI.

Secure, innovate and protect: AI use roadmap for in-house IP teams

Michael Moore, head of legal at Glean AI, discusses how in-house IP teams can use AI while protecting enforceability

Michael Moore, February 04 2026

Patents

‘Watershed moment’: India’s top court to decide competition jurisdiction over patents

Counsel for SEP owners and implementers are keeping an eye on the case, which could help shape patent enforcement strategy for years to come

Sukanya Sarkar, February 03 2026

Patents

Finnegan team secures $240m jury verdict after PTAB success

Jacob Schroeder explains how he and his team secured victory for Promptu in a long-running patent infringement battle with Comcast

Sanjana Mishra, February 03 2026

Trademarks

Fame in the age of fakes: How celebrities are fighting AI impersonation with IP law

After Matthew McConaughey registered trademarks to protect his voice and likeness against AI use, lawyers at Skadden explore the options available for celebrities keen to protect their image

Deborah Kirk, February 03 2026

Patents

Dolby and IP Bridge sue Skyworth in Brazil

The Via members, represented by Licks Attorneys, target the Chinese company and three local outfits, adding to Brazil’s emergence as a key SEP litigation venue

Sanjana Mishra, February 02 2026

Trademarks

Double exposure Close up of rows of coins for finance and banking concept Coin finance investment diagram Savings for a growing business city background with coins is popular.

Stobbs reports 1,700% profit hike after previous £1m fall

The firm, which has revealed profits of £990,837, claims it is the disruptive force in the IP-legal industry

February 02 2026

Patents

Clinical trial medicine, for the covid-19 coronavirus, on clipbo

Clinical trial protocols disclosed without results: a threat to patent novelty?

In the first of a two-parter, lawyers at Santarelli analyse the patentability of therapeutic inventions where publication of clinical trial protocols occurs before the application's filing date

Gabrielle Faure-André , February 02 2026

Patents

Big Data concept. Digital neural network.Business woman hand tou

Invention leadership in the AI age: Insights from the world’s top innovators

Arun Hill at Clarivate assesses the Top 100 Global Innovators 2026 list, including why AI has assumed a strategic importance for innovation

Arun Hill, February 02 2026