Murata Mfg. Co., Ltd. v. Bel Fuse Inc., __ F. Supp.2d __, 2006 WL 2176241 (N.D. Ill. Jul. 28, 2006) (Gottschall, J.).
This detailed claim construction ruling demonstrates several useful practice tips. First: work with opposing counsel upfront to determine which terms are actually in dispute. The parties’s initial briefing sought construction of nineteen terms, but when the Court required supplemental briefs post-Phillips v. AWH Corp., 415 F.3d 1303 (Fed. Cir. 2005), the parties limited their briefing to only seven terms. This highlights the value of sitting down with opposing counsel before claim construction to identify the terms that are actually disputed. Of course, this requires two reasonable parties represented by reasonable counsel, but you are better off at least trying. It is embarrassing to counsel and expensive for the client to learn, upon receiving the opposing brief, that a term that you spent hours, dollars, and valuable pages briefing is not actually in dispute. And of course, it is frustrating for the Court.
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