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Courts Continue to Differ over Timing of Claims Construction: Markman v. Westview Still a Definining Element

By James Flynn
March 27, 2008

Navigating through patent litigation remains a challenge for seasoned litigators and savvy clients. The ruling in Markman v. Westview, 517 U.S. 370 (1996), remains, over a decade after its decision, a defining element of the patent litigation landscape. According to the Manual for Complex Litigation (MCL), '33.223, “[t]iming is one of the more problematic issues' for courts dealing with Markman. Indeed, in the two courts (the Northern District of California and the Southern District of Texas) that have substantially revised (N.D.Ca.) or adopted (S.D.Tex.) local patent rules effective in 2008, one has opted for an early approach to Markman (N.D.Ca.) and the other (S.D.Tex.) has left it largely to the discretion of individual judges. This recent contrast highlights the continuing differences of opinion as to the best approach to Markman hearings and their timing.

Consequently, having a plan and knowing when and how Markman will arise in any particular case will go a long way in determining the time, expense, and strategic choices that patent litigation will involve. That is because '[t]he construction of patent claims is pivotal to infringement actions ” MCL, '33.22. But, '[t]here is no consistent approach among the courts as to the procedural boundaries of claim-construction proceedings' since 'Markman did not establish when or how a patent was to be construed, only that it must be done prior to submission of the case to the jury.' MCL, '33.22. An examination of the alternatives and how courts approach them is informative for counsel and client alike.

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