MIDDLETON, INC. v. MINNESOTA MINING & MFG. CO.

No. 02-1151.

311 F.3d 1384 (2002)

MIDDLETON, INC., Plaintiff-Appellant, v. MINNESOTA MINING AND MANUFACTURING COMPANY (now known as 3M Company), Defendant-Appellee.

United States Court of Appeals, Federal Circuit.

Rehearing and Rehearing Denied January 9, 2003.


Attorney(s) appearing for the Case

George C. Summerfield, Jr., Stadheim & Grear, of Chicago, IL, for plaintiff-appellant. Of counsel was Gregory M. Jordan.

William A. Streff, Jr., Kirkland & Ellis, of Chicago, IL, for defendant-appellee. Of counsel were David K. Callahan, Mary E. Zaug, and Christopher R. Liro.

Before CLEVENGER, RADER, and LINN, Circuit Judges.


Rehearing and Rehearing En Banc Denied January 9, 2003.*

RADER, Circuit Judge.

On summary judgment, the United States District Court for the Northern District of Illinois ruled that Minnesota Mining and Manufacturing Co. (3M) did not infringe Middleton, Inc.'s U.S. Patent No. 4,944,514 ('514 patent), either literally or under the doctrine of equivalents. Because the district court failed to correctly construe the claims and determine...

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