Zelinski & Pinbreaker Inc. v. Brunswick Corp
| Decision Date | 29 July 1999 |
| Citation | 51 USPQ2d 1590,185 F.3d 1311 |
| Parties | (Fed. Cir. 1999) GEORGE ZELINSKI, JR. and PINBREAKER, INC., Plaintiffs-Appellants, v. BRUNSWICK CORPORATION, Defendant-Appellee. 98-1214 DECIDED: |
| Court | U.S. Court of Appeals — Federal Circuit |
Stephen G. Kehoe, Law Offices of Stephen G. Kehoe, of Chicago, Illinois, argued for plaintiffs-appellants. With him on the brief was Shashank S. Upadhye, Potthast & Ring, of Chicago, Illinois.
Michael O. Warnecke, Mayer, Brown & Platt, of Chicago, Illinois, argued for defendant-appellee.
Before PLAGER, RADER, and BRYSON, Circuit Judges.
Opinion for the court filed by Circuit Judge PLAGER. Circuit Judge RADER concurs in the result.
George Zelinski, Jr. and Pinbreaker, Inc. ("Zelinski") appeal from the decision of the United States District Court for the Northern District of Illinois. The district court granted Brunswick Corp. ("Brunswick") summary judgment of non-infringement on the claims of Zelinski's U.S. Patent No. 5,046,731 ("the '731 patent"). See Zelinski v. Brunswick Corp., 996 F. Supp. 757 (N.D. Ill. 1997). The '731 patent claims an improved bowling ball. Based on its claim construction, the district court found no literal infringement of independent claim 1 of the '731 patent. See id. at 762-63. The court also concluded that no reasonable jury could find for Zelinksi under the doctrine of equivalents. See id. at 764. Because the district court did not err, we affirm.
George Zelinski, Jr. owns the '731 patent, which is licensed exclusively to Pinbreaker, Inc. Zelinski filed this patent infringement action against Brunswick, alleging that Brunswick's SteathCore I and II bowling balls infringe independent claim 1 and dependent claims 2 to 14 of the '731 patent. Claim 1 provides:
A bowling ball having a spherical mass of preselected density and a spherical surface equidistant from a center of the spherical mass, the improvement being a weight block of a density, greater than said preselected density in which said weight block comprises:
a first elongate section having a pair of opposite ends with an intermediate portion therebetween adjacent the spherical surface; and
another elongate section having an axis of symmetry extending in a direction generally transverse of the first elongate section and extending from the intermediate portion and located between the center of the spherical mass and the first elongate section.
(Emphasis added.)
The '731 patent claims a bowling ball which is intended to "hook" or migrate into the bowling pin "pocket" in a predictable manner after it is thrown. This provides maximum pin displacement with minimum pin deflection. The hook occurs when the spin axis migrates, from the initial spin axis created when the bowler releases the ball, to the ball's dominant spin axis. An eccentrically placed, symmetric weight block within the ball produces this dominant spin axis.
Zelinski's invention, as described in the '731 patent, contains for purposes of this appeal two pertinent differences from the prior art. Figures 1 and 2 of the '731 patent are illustrative [Tabular or Graphical Material Omitted]
First, Zelinski uses a relatively localized two-piece weight block (18), consisting of one elongate weight (20) located along and near the surface of the ball and a second weight (26) transverse and in an intermediate position from the first weight section which extends toward the center of the ball (16). The density of the weight block is greater than the density of the ball's spherical weight core (34). Second, Zelinski discloses that in order to achieve a desired breaking point (hook) for the ball, the thumb and finger holes should be drilled around the center axis of the weight block at a preselected angular relationship to the weight block's plane of symmetry.
In comparison, Brunswick's StealthCore I and II bowling balls contain a spherical outer shell of polyurethane, a spherical center, an annular ring encircling the spherical center, and an eccentric weight on top of the annular ring. The eccentric top weight compensates for the weight loss created when finger holes are drilled into the ball. Brunswick's eccentric top weight and annular ring assembly are made of a heavy material of a greater density than that of the polyurethane shell.
The current appeal centers around the meaning of "located between" in claim 1 of the '731 patent. The patent specification does not contain a definition of the term "located." The district court reasoned that in the context of defining the relative spatial position and orientation of sections of the disclosed weight block within a bowling ball, a narrow interpretation of "located" was required to give direct and clear meaning to the phrase "located between." See Zelinski, 996 F. Supp. at 761. Thus, the district court construed claim 1 to require that the second elongate section be located entirely between the center of the spherical mass and the first elongate section. See id. at 762.
Under this claim construction, the court concluded that Brunswick's annular ring could not be "a second elongate section located between the center of the spherical mass and the first elongate section" because most of the annular ring is not located between the center of the spherical mass and the first elongate section. Id. Consequently, the district court held that Brunswick was entitled to summary judgment on the issue of literal infringement of claim 1 since Zelinski could not demonstrate that each and every limitation of claim 1 was met by a corresponding element in Brunswick's StealthCore I and II bowling balls. See id.
The district court completed its analysis by addressing the issue of infringement under the doctrine of equivalents. The court read claim 1 to contain three limitations; it concluded that the only limitation in claim 1 without a literal counterpart in Brunswick's bowling balls was the "second elongate section." See id. at 763. Thus, the district court analyzed whether the annular ring in Brunswick's bowling balls is equivalent to the second elongate section described in the '731 patent. The court concluded that Zelinski failed to offer any factual evidence from which a jury could reasonably infer equivalence. See id. at 764. Furthermore, the district court concluded that Zelinski's purported lack of opportunity for discovery on equivalence was unsupported in the record. See id. For these reasons, the district court granted summary judgment to Brunswick of non-infringement under the doctrine of equivalents.
Zelinski appeals the grant of summary judgment of non-infringement to Brunswick. We have jurisdiction to hear this appeal under 28 U.S.C. 1295 (1994).
Summary judgment is appropriate if there are no genuine issues of material fact and the moving party is entitled to judgment as a matter of law. See Fed. R. Civ. P. 56(c). We review without deference a trial court's grant of summary judgment, with all justifiable factual inferences drawn in favor of the party opposing the motion. See Anderson v. Liberty Lobby, Inc., 477 U.S. 242, 255 (1986).
The determination of infringement requires a two-step analysis: (1) claim construction to determine the scope and meaning of the claims asserted to be infringed, and then (2) a determination of whether the properly construed claims encompass the accused device. See Markman v. Westview Instruments, Inc., 52 F.3d 967, 976, 34 USPQ2d 1321, 1326 (Fed. Cir. 1995) (en banc), aff'd, 517 U.S. 370 (1996). Claim construction is a matter of law over which we have independent review. See Cybor Corp. v. FAS Techs., Inc., 138 F.3d 1448, 1451, 1456, 46 USPQ2d 1169, 1171, 1174 (Fed. Cir. 1998) (en banc). Whether a claim encompasses an accused device, either literally or under the doctrine of equivalents, is a question of fact. See, e.g., North Am. Vaccine, Inc. v. American Cyanamid Co., 7 F.3d 1571, 1574, 28 USPQ2d 1333, 1335 (Fed. Cir. 1993).
It is standard practice that in determining the proper construction of an asserted claim, the court looks first to the intrinsic evidence -- the patent specification, including of course the written description, and, if in evidence, the prosecution history. Absent an express definition in the specification of a particular claim term, the words are given their ordinary and accustomed meaning; if a term of art, it is given the ordinary and accustomed meaning as understood by those of ordinary skill in the art.
As noted, this case turns upon the meaning of the phrase "located between." The district court concluded that neither the claims nor the written description define the term "located;" thus the court was called upon to chose between Brunswick's and Zelinski's "ordinary and accustomed" meanings of that term. The district court adopted Brunswick's interpretation of "located between" to mean wholly or entirely located between. Thus, in the context of claim 1, the second elongate section "must be located only between the center of the spherical mass and the first elongate section." See Zelinski, 996 F. Supp. at 760.
On appeal, Zelinski alleges that the district court erred by reading "located between" too narrowly. Zelinski argues that its interpretation of "located between," which includes any weight that is in whole or in part between the center of the spherical mass and the first elongate section, is the construction one of ordinary skill in the art would ascribe to the phrase at issue.
In ascertaining the scope and meaning of claim 1, including the phrase "located between," we are guided by the written description. See Markman, 52 F.3d at 979, 34 USPQ2d at 1329. We agree that neither the claims nor the written description specifically define the phrase "located between." Similarly, the prosecution history of the '731 patent contains...
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