Ohio Willow Wood Co. v. Alps South, LLC, No. 12-1642 (Fed. Cir. Nov. 15, 2013)

From the Opinion

The passage below is extracted verbatim from the opening of the document. It has not been editorially summarized — consult the full opinion for the court's complete reasoning.

This suit was filed by The Ohio Willow Wood Comp a- ny (“OWW”) against Alps South, LLC (“Alps”) for i n- fringement of United States Patent No. 5,830,237 ( the “’237 patent ”). The United States District Court for the Southern District of Ohio granted summary j udgment that: (1) OWW was collaterally estopped from challenging the invalidity of claims 1, 2, 4, 15, 16, and 20 of the ’237 patent; (2) claims 18, 19, 21, 22, and 23 of the ’ 237 patent were invalid for obviousness; and (3) Alps failed to raise a genuine i…