News & Analysis as of

Cross Examination Patent Litigation

Handling Improper Coaching of Witnesses During PTAB Deposition Proceedings

by Jones Day on

Many attorneys have encountered an opposing party’s witness that provides very concise, supportive responses to the questions of the witness’s own attorney after a recess in a deposition. Often, these helpful responses occur...more

Cross-Examination Is Not Authorized as Routine Discovery Where the Relied-Upon Testimony Is from an Underlying Litigation

On January 30, 2017, the Patent Trial and Appeal Board (PTAB or “the Board”) granted in part the petitioner’s motion to strike various declarations of a named inventor because the patent owner failed to make him available for...more

Petitioners that Rely on Deposition Testimony to Establish that a Publication Qualifies as Prior Art should be Prepared to Produce...

by Reed Smith on

Routine discovery in review proceedings authorizes cross examination of affidavit testimony. 37 C.F.R. § 42.51(b)(1). If a petitioner submits affidavit testimony to prove that a publication qualifies as prior art, the...more

No Observations Permitted on Your Own Witness - Seagate Tech. (US) Holdings, Inc. et al. v. Enova Tech. Corp.

by McDermott Will & Emery on

Citing both substantive and procedural reasons, the U.S. Patent and Trademark Office’s Patent Trial and Appeal Board (PTAB or Board) ruled that a party was not entitled to present observations concerning the cross-examination...more

Rolling the Dice on Foreign Depositions in IPR Proceedings

by Foley & Lardner LLP on

In litigation, it is not uncommon for depositions to be taken outside the United States, particularly when a given witness resides outside the United States and cannot or does not wish to travel to the United States. In IPR...more

PTAB Eases Restrictions on Submitting Observations on Cross Examination for Your Own Witness

When a party submits declaration testimony and the opposing party is not entitled to another brief, “observations on cross-examination” are the opposing party’s mechanism for introducing declaration testimony from that...more

Counsel May Confer with a Witness Between Cross-Examination and Re-Cross, but the Witness Might Be Re-Crossed on the Substance of...

by McDermott Will & Emery on

Organik Kimya AS v. Rohm and Haas Co. - In an order regarding allowable communications between counsel and witness, the Patent Trial and Appeal Board (PTAB) held that counsel may confer with a witness between the end...more

No Right to Cross-Examine a Declarant Not Under the Proponent’s Control

In Mexichem Amanco Holding S.A. de C.V. v.Honeywell International, Inc., IPR2013-00576, Paper 36 (September 5, 2014), the Board denied patent owner’s request for additional discovery – the deposition of Dr. Takashi Shibanuma,...more

Cross-Examination is Not Limited to Documents Cited in Declaration

In Medtronic, Inc. v. Endotach LLC, IPR2014-00100, Paper 32 (August 28, 2014), the petioner filed a Supplemental Notice of Deposition of patent owner’s witness, indicating that its cross-examination of the witness “may rely...more

Marathon Cross Examination

In Facebook Inc. v. Software Rights Archive, LLC, IPR2013-00479, Paper 28 (April 9, 2014) the patent owner asked for leave to cross-examine petitioner’s expert witness for a total of 14 hours, in view of the fact that there...more

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