Several important court cases have addressed intervening rights in the context of reexamination. The MPEP 2693 cites the following cases: Fortel Corp. v. Phone-Mate, Inc., 825 F.2d 1577, 3 USPQ2d 1771 (Fed. Cir. 1987) Kaufman Co., Inc. v. Lantech, Inc., 807 F.2d 970, 1 USPQ2d 1202 (Fed. Cir. 1986) Tennant Co. v. Hako Minuteman, Inc.,…

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