Zircon Corp. v. Itc

101 F.4th 817
CourtCourt of Appeals for the Federal Circuit
DecidedMay 8, 2024
Docket22-1649
StatusPublished
Cited by1 cases

This text of 101 F.4th 817 (Zircon Corp. v. Itc) is published on Counsel Stack Legal Research, covering Court of Appeals for the Federal Circuit primary law. Counsel Stack provides free access to over 12 million legal documents including statutes, case law, regulations, and constitutions.

Bluebook
Zircon Corp. v. Itc, 101 F.4th 817 (Fed. Cir. 2024).

Opinion

Case: 22-1649 Document: 76 Page: 1 Filed: 05/08/2024

United States Court of Appeals for the Federal Circuit ______________________

ZIRCON CORP., Appellant

v.

INTERNATIONAL TRADE COMMISSION, Appellee

STANLEY BLACK & DECKER, INC., BLACK & DECKER (U.S.), INC., Intervenors ______________________

2022-1649 ______________________

Appeal from the United States International Trade Commission in Investigation No. 337-TA-1221. ______________________

Decided: May 8, 2024 ______________________

JOHN R. HUTCHINS, Banner & Witcoff, Ltd., Washing- ton, DC, argued for appellant. Also represented by PAUL T. QUALEY, BRADLEY CHARLES WRIGHT; OMAIR MAQSOOD FAROOQUI, Palo Alto Legal Group, PC, Palo Alto, CA.

BENJAMIN S. RICHARDS, Office of the General Counsel, United States International Trade Commission, Washing- ton, DC, argued for appellee. Also represented by WAYNE W. HERRINGTON, SIDNEY A. ROSENZWEIG. Case: 22-1649 Document: 76 Page: 2 Filed: 05/08/2024

BRYAN PATRICK COLLINS, Pillsbury Winthrop Shaw Pittman LLP, McLean, VA, argued for intervenors. Also represented by JACK S. BARUFKA, ROBERT M. FUHRER; THE- RESA ANN ROOZEN, Washington, DC; KECIA JANNELL REYN- OLDS, Paul Hastings LLP, Washington, DC. ______________________

Before LOURIE, BRYSON, and STARK, Circuit Judges. BRYSON, Circuit Judge. In 2020 appellant Zircon Corp. filed a complaint in the United States International Trade Commission (“the Com- mission”) alleging a violation of section 337 of the Tariff Act of 1930, 19 U.S.C. § 1337. Section 337 prohibits “[t]he im- portation into the United States, the sale for importation, or the sale within the United States after importation” of articles that infringe a U.S. patent. Id. § 1337(a)(1)(B)(i). The Commission instituted an investigation based on Zir- con’s complaint. A Commission Administrative Law Judge (“ALJ”) issued an initial determination in the investigation finding no violation of section 337. On review, the Com- mission affirmed the ALJ’s finding of no violation. We af- firm. I A This case involves electronic stud finders. A wall stud is a wooden board used in the framing of a building. After a building is constructed, the studs are not visible because they are installed behind material such as drywall that forms the wall surfaces in the interior of the building. A stud finder is a device used to locate studs behind the wall surfaces so that, for example, items can be secured to the wall by being attached not just to the drywall, but also to the studs behind the drywall. Case: 22-1649 Document: 76 Page: 3 Filed: 05/08/2024

ZIRCON CORP. v. ITC 3

Zircon manufactures and sells electronic stud finders. Zircon owns several patents related to electronic stud finder technology, including the patents at issue in this case: U.S. Patent No. 6,989,662 (“the ’662 patent”); U.S. Pa- tent No. 8,604,771 (“the ’771 patent”); and U.S. Patent No. 9,475,185 (“the ’185 patent”). The ’662 patent describes a mechanism for automatically recalibrating a stud finder. Claim 1 is representative: 1. A method of recalibrating a stud sensing device for finding a location of a stud positioned behind a surface, the method comprising the acts of: holding the stud sensing device at a first location on the surface; placing the stud sensing device in an [sic] calibra- tion mode; sensing a first density at the first location in the calibration mode; setting a calibration value based on the first sensed density; placing the stud sensing device in an operating mode; moving the stud sensing device to a second location on the surface; sensing a second density at the second location; setting a second density value based on the second sensed density; the stud sensing device determining if it was cali- brated over or near a stud; and the stud sensing device recalibrating itself if it de- termined that the stud sensing device was cali- brated over or near the stud. ’662 patent at 7:49–8:3. Case: 22-1649 Document: 76 Page: 4 Filed: 05/08/2024

The ’771 and ’185 patents describe grips on a hand tool or stud finder that provide an axis of rotation. Claim 1 of the ’771 patent is representative: 1. A hand tool for sensing a measurement behind a target surface, the hand tool comprising: a housing; a sensor coupled in the housing; and a grip having a pair of three-dimensional concave finger holds positioned at opposite sides of the grip to provide an axis of rotation. ’771 patent at 6:31–37. Claim 1 of the ’185 patent is nearly identical to claim 1 of the ’771 patent except for the last clause, which recites “only two depressed finger holds positioned at opposite sides of a grip allowing pivoting to provide an axis of rota- tion.” ’185 patent at 6:46–52. B Zircon’s complaint alleged that the importation and sale of certain electronic stud finders, metal detectors, and electrical scanners by Stanley Black & Decker, Inc. (“Stan- ley”), and Black & Decker (U.S.), Inc. (“Black & Decker”) violated section 337 of the Tariff Act by infringing various claims of the ’662 patent, the ’771 patent, and the ’185 pa- tent. J. App. 984–1040. 1 To establish a section 337

1 Zircon initially alleged that the accused products also infringed certain claims of U.S. Patent No. 7,148,703 (“the ’703 patent”). The ’703 patent was terminated from the investigation, however, and is not at issue in this ap- peal. See Certain Elec. Stud Finders, Metal Detectors and Elec. Scanners, Inv. No. 337-TA-1221, Comm’n Op., 2022 WL 834280, at *1 n.1 (Mar. 14, 2022) (“Commission Opin- ion”). Case: 22-1649 Document: 76 Page: 5 Filed: 05/08/2024

ZIRCON CORP. v. ITC 5

violation, Zircon was required to show that “an industry in the United States, relating to the articles protected by the patent . . . exists or is in the process of being established.” 19 U.S.C. § 1337(a)(2). This is referred to as the “domestic industry” requirement. Zircon alleged that it met that re- quirement based on its investment in plant and equipment, its employment of labor and capital, and its investment in the exploitation of the asserted patents. J. App. 1034. The Commission instituted an investigation naming Stanley and Black & Decker as the respondents. 85 Fed. Reg. 62758, 62758–59 (Oct. 5, 2020). Stanley and Black & Decker disputed Zircon’s infringement and domestic indus- try allegations. They also argued that the asserted claims of the ’662 patent are invalid for obviousness and that the asserted claims of the ’771 and ’185 patents are invalid for anticipation, obviousness, and lack of adequate written de- scription. See Matter of Certain Elec. Stud Finders, Metal Detectors & Elec. Scanners, Inv. No. 337-TA-1221, Initial Determination, 2021 WL 5231410, at *13, *45, *67 (Oct. 7, 2021) (“Initial Determination”). Following an evidentiary hearing and briefing, the ALJ issued an initial determination on October 7, 2021, finding that the importation and sale of the accused Stanley and Black & Decker products did not violate section 337. Id. at *96–97. In reaching that conclusion, the ALJ found that the economic prong of the domestic industry requirement was not satisfied with respect to any of the asserted pa- tents. Id. at *97. As to the asserted patents, the ALJ found that certain of the accused products infringed claims 1, 9, and 16 of the ’662 patent and that claim 17 of that patent was invalid as obvious. Id. at *96. The ALJ further found that none of the accused products infringed any of the as- serted claims of the ‘771 or ‘185 patents. Id. at *96–97. C Zircon sought Commission review of the initial deter- mination. The Commission upheld the ALJ’s Case: 22-1649 Document: 76 Page: 6 Filed: 05/08/2024

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Bluebook (online)
101 F.4th 817, Counsel Stack Legal Research, https://law.counselstack.com/opinion/zircon-corp-v-itc-cafc-2024.