News & Analysis as of

Duty of Candor Inter Partes Review (IPR) Proceeding Patent Litigation

Sterne, Kessler, Goldstein & Fox P.L.L.C.

PTAB Year in Review – Caveat Experimenter: Using Experimental Data in PTAB Proceedings Comes With Risks

Parties involved in Patent Trial and Appeal Board (PTAB) proceedings sometimes contemplate submitting experimental data to support their positions. Although such data can be useful, there also are risks. Several recent cases...more

Proskauer - Minding Your Business

Duty of Candor Continues Before the PTAB or Does it?     

In an unprecedented PTAB decision involving Spectrum Solutions LLC (“Spectrum”) (Petitioner) and Longhorn Vaccines & Diagnostics (“Longhorn”) (Patent Owner), the Board found all five challenged patents invalid and imposed...more

McDermott Will & Emery

PTO Director Requests Input on Patent Trial & Appeal Board Decision Regarding Duty of Candor

McDermott Will & Emery on

On May 3, 2023, the Patent Trial & Appeal Board granted a motion for sanctions brought by Spectrum Solutions LLC against Longhorn Vaccines & Diagnostics LLC. The resulting sanctions order canceled five Longhorn patents. The...more

Akin Gump Strauss Hauer & Feld LLP

Withholding Data That PTAB Would Deem Relevant to Patentability Supports Adverse Judgment in an IPR

The Patent Trial and Appeal Board (PTAB) granted Petitioner’s motions to sanction Patent Owner for failure to meet its duty of candor and fair dealing in five related inter partes review  proceedings. The PTAB found that...more

Jones Day

Duty of Candor is Not to be Ignored

Jones Day on

In a rare exercise of authority, the PTAB issued sanctions against a Patent Owner for failure to meet its duty of candor and good faith by withholding information relevant to the patentability of challenged and substitute...more

McDermott Will & Emery

Neither Narrow Proposed Claim Construction nor Work Product Claim Justify Withholding Material Factual Information

The Patent Trial & Appeal Board of the US Patent & Trademark Office (PTO) canceled all challenged claims across five patents because the patent owner failed to meet its duty of candor by selectively and improperly withholding...more

BakerHostetler

Amended PTAB Rules to Take Effect on May 2, 2016

BakerHostetler on

On May 2, 2016, amended rules governing post-grant proceedings before the Patent and Trial Appeal Board (“PTAB”), including inter partes review (“IPR”), post-grant review (“PGR”), and covered business methods (“CBM”), will...more

Foley & Lardner LLP

The New AIA Rules May Help Patent Owners Avoid Trial

Foley & Lardner LLP on

On May 2, 2016, the amendments to the Rules of Practice for Trials Before the Patent Trial and Appeal Board go into effect, and apply “to all AIA petitions filed on or after the effective date and to any ongoing AIA...more

Latham & Watkins LLP

PTO Issues New Final Rules for PTAB Proceedings

Latham & Watkins LLP on

New rules give more options to patent owners and petitioners in pre-institution phase. On March 31, 2016, the Patent and Trademark Office (PTO) issued new final rules to govern practice before the Patent Trial and Appeal...more

Lathrop GPM

New Rules For Patent Validity Challenges: What You Need To Know

Lathrop GPM on

On March 31, 2016, the United States Patent & Trademark Office (USPTO) issued new final rules to make targeted modifications to the existing consolidated set of rules implementing provisions of the Leahy-Smith America Invents...more

McDermott Will & Emery

PTAB Clarifies Requirements for Claim Amendments - MasterImage 3D, Inc. and MasterImage 3D Asia, LLC v. RealD Inc.

In an order perhaps indicating that the tide is turning for patent owners seeking to amend claims in inter partes review (IPR), an expanded panel of the Patent Trial and Appeal Board (PTAB or Board) provided clarification as...more

McDermott Will & Emery

New PTAB Trial Rules Proposed

On August 19, 2015, the U.S. Patent and Trademark Office (USPTO) published a proposal to amend the existing rules of practice for inter partes review (IPR), post-grant review (PGR), the transitional program for covered...more

Bracewell LLP

Know Them Before They are Famous (or at least final): The Latest USPTO Proposed Rule Changes

Bracewell LLP on

On August 19, 2015, the United States Patent and Trademark Office (USPTO) released proposed rule changes for trials before the Patent Trial and Appeal Board (PTAB). The proposed rule changes were made in response to input...more

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