News & Analysis as of

Assignor Estoppel

Federal Circuit Review - October 2017

by Knobbe Martens on

Federal Circuit Denies En Banc Rehearing in Mentor Graphics v. EVE-USA - In Mentor Graphics Corp. v. Eve-USA, Inc., Appeal Nos. 2015-1470, 2015-1554, 2015-1556, the Federal Circuit denied Synopsys’ and EVE’s petition for...more

Assignor Estoppel Is Not a Defense in IPR

by McDermott Will & Emery on

The Patent Trial and Appeal Board (PTAB) designated as precedential its 2013 decision that assignor estoppel is not a defense for patent owners in inter partes review (IPR) proceedings. Athena Automation Ltd. v. Husky...more

Panduit Prevents Apportioning the Profit Pie

by McDermott Will & Emery on

In a split decision, the US Court of Appeals for the Federal Circuit denied an application by EVE-USA et al. for a panel or en banc rehearing on the issues of apportionment and assignor estoppel. Mentor Graphics Corp. v....more

The PTAB Review - August 2017

Federal Circuit Raises “Serious Questions” About PTAB Joinder Practice - In a recent concurrence in Nidec Motor Corp. v. Zhongshan Broad Ocean Motor Co. Ltd., two Federal Circuit judges criticized the Patent Trial and...more

Athena Automation IPR Decision Rejecting Equitable Defense of Assignor Estoppel in IPR Proceedings Designated Precedential by the...

by Fish & Richardson on

On August 2, 2017, the Patent Trial and Appeal Board (PTAB) designated Section II.A. of the Institution Decision in Athena Automation Ltd. v. Husky Injection Molding Systems Ltd., IPR2013-00290, Paper 18 (PTAB Oct. 25, 2013)...more

PTO Designates Precedential its Athena Automation Decision on Assignor Estoppel in IPR

by Finnegan – AIA Blog on

The PTAB designated as precedential its Institution Decision in Athena Automation Ltd. v. Husky Injection Moldings Systems Ltd., IPR2013-00290, Paper No. 18 (Oct. 25, 2013). According to the Patent Office’s message announcing...more

2013 Decision on Assignor Estoppel Designated as Precedential by PTAB

The Patent Trial and Appeal Board designated as precedential its October 25, 2013, decision to institute inter partes review and declined to apply the doctrine of assignor estoppel as an exception to 35 U.S.C.§311(a). Section...more

Assignor Estoppel is Not a Defense in Inter Partes Reviews

by Brinks Gilson & Lione on

The Patent Trial and Appeal Board (“PTAB”) recently designated as “precedential” a PTAB opinion issued in 2013 finding that assignor estoppel is not a defense for patent owners in inter partes review proceedings (“IPR”). ...more

PTAB Designates Portion Of Assignor Estoppel Opinion As Precedential

by Jones Day on

In October 2016, we posted about a Federal Circuit decision addressing whether assignor estoppel bars a party from filing an inter partes review petition. In Athena Automation Ltd. v. Husky Injection Molding Systems Ltd., the...more

PTAB Designates As Precedential A Decision Finding Assignor Estoppel Is Not A Defense in IPRs

by Knobbe Martens on

The PTAB recently designated as precedential its 2013 decision that assignor estoppel is not a defense for patent owners in IPR proceedings in Athena Automation Ltd. v. Husky Injection Molding Systems Ltd., IPR2013-00290,...more

Assignor Estoppel Is Not a Defense in AIA Trials

Recently, the PTAB designated the following decision as precedential: Athena Automation Ltd. v. Husky Injection Molding Sys. Ltd., IPR2013-00290, Paper 18 (PTAB Oct. 25, 2013) (precedential only as to Section II.A). Athena...more

PTAB Invalidates Two Cisco Patents Found Valid and Infringed at the ITC

The Patent Trial and Appeal Board (“PTAB”) issued Final Written Decisions regarding Cisco’s U.S. Patent Nos. 6,377,577 (the “’577 Patent”) and 7,023,853 (the “’853 Patent”) on May 25, 2017 and U.S. Patent No. 7,224,668 (the...more

Assignor Estoppel Remains Unavailable as an IPR Defense

by Reed Smith on

The Board’s recent Final Written Decision in Arista Networks, Inc. v. Cisco Systems, Inc., Case IPR2016-00303, confirms that assignor estoppel remains unavailable to patent owners. Assignor estoppel is an equitable remedy...more

Willfulness Can Be Predicated on Brief Between Declaratory Judgment Filing and Counterclaim

by McDermott Will & Emery on

In a complex 42-page decision, the US Court of Appeals for the Federal Circuit addressed issues of assignor estoppel, claim indefiniteness, subject matter eligibility, claim preclusion, willfulness and lost profits damages...more

Medtronic v. Robert Bosch – Has the Federal Circuit closed the door on reviewing IPR institution decisions?

by Knobbe Martens on

On October 20, 2016, the Federal Circuit issued yet another opinion finding that the Patent Trial and Appeal Board’s decisions related to the institution of an inter partes review (IPR) are not subject to judicial review. ...more

Federal Circuit Review | October 2016

by Knobbe Martens on

Withdrawal of Claims During Prosecution Can Trigger Prosecution History Estoppel In UCB, Inc. v. Yeda Research and Development Co., Ltd., Appeal No. 2015-1957, the Federal Circuit held that prosecution estoppel can apply even...more

CAFC’s Husky Decision Makes Sledding Tougher for Patent Owners in PTAB Appeals

The Federal Circuit recently determined that it lacked jurisdiction to review the Patent Trial and Appeal Board’s determination that assignor estoppel has no affect in an inter partes review (“IPR”). The majority’s decision...more

Federal Circuit Provides Two-Part Analysis for Determining Reviewability of PTAB Institution Decisions

The Federal Circuit in Husky Injection Molding Systems, Inc. v. Athena Automation Ltd., No. 2015-1726 (Fed. Cir. Sep. 23, 2016) recently dismissed Husky’s appeal from a final written decision in IPR. The court found it...more

Federal Circuit Patent Updates - May 2016

by WilmerHale on

Ruckus Wireless, Inc. v. Innovative Wireless Solutions (No. 2015-1425, 1438, 5/31/16) (Prost, Reyna, Stark) - May 31, 2016 3:11 PM - Reyna, J. Affirming summary judgment of non-infringement of patents based on...more

Federal Circuit Flushes Appeal Relating to Infringement of Airline Toilet Patents; Waives-Off Challenge to Finding of Assignor...

On March 23, 2016, the Federal Circuit in MAG Aerospace Indus., Inc. v. B/E Aerospace, Inc., Nos. 2015-1370, -1426, upheld a decision concerning U.S. patents directed to vacuum toilets found on commercial aircraft. In its...more

Assignor Estoppel Bars an Invalidity Challenge in District Court but is Not Available as a Defense in an Inter Partes Review...

On March 23, 2016, the United States Court of Appeals for the Federal Circuit issued a decision in MAG Aerospace Industries, Inc., NKA MAG Aerospace Industries, LLC v. B/E Aerospace, Inc., No. 2015-1370. One of the issues...more

Assignor Estoppel is Still A Thing

In Mag Aerospace Industries, Inc. v, B/E Aerospace, Inc., [2015-1370, 1426] (March 23, 2016), the Federal Circuit affirmed summary judgment of non-infringement, and the district court’s ruling that the doctrine of assignor...more

PTAB to Purchasers: “Caveat Emptor” - Esselte AB v. DYMO B.V.B.A.

by McDermott Will & Emery on

In a decision to institute inter partes review (IPR) in four separate but related matters, the Patent Trial and Appeal Board (PTAB or Board) found that the patent owner failed to provide sufficient support for its contention...more

An Unforeseen Obstacle: Consultants Can Prevent Validity Challenges Through the Use of the Assignor Estoppel Doctrine

Imagine hiring a consultant who designs a process, only to find that the process infringes a patent invented by the same consultant owned by someone else. How much worse would it be if your use of that consultant prevented...more

No Assignor Estoppel in AIA Inter Partes Review

by Latham & Watkins LLP on

The popularity of IPR proceedings will likely increase as assignor estoppel does not apply to IPRs. Inter Partes Review (IPR) proceedings have become a very popular method of challenging patent validity for actual and...more

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