Plastronics Socket Partners v. Hwang

CourtCourt of Appeals for the Federal Circuit
DecidedJanuary 12, 2022
Docket20-1739
StatusUnpublished

This text of Plastronics Socket Partners v. Hwang (Plastronics Socket Partners v. Hwang) 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
Plastronics Socket Partners v. Hwang, (Fed. Cir. 2022).

Opinion

Case: 20-1739 Document: 76 Page: 1 Filed: 01/12/2022

NOTE: This disposition is nonprecedential.

United States Court of Appeals for the Federal Circuit ______________________

PLASTRONICS SOCKET PARTNERS, LTD., PLASTRONICS H-PIN, LTD., Plaintiffs-Appellants

v.

DONG WEON HWANG, Defendant-Cross-Appellant

HICON CO., LTD., HICON COMPANY, Defendants-Appellees ______________________

2020-1739, 2020-1781 ______________________

Appeals from the United States District Court for the Eastern District of Texas in No. 2:18-cv-00014-JRG-RSP, Chief Judge J. Rodney Gilstrap. ______________________

Decided: January 12, 2022 ______________________

P. MICHAEL JUNG, Clark Hill Strasburger, Dallas, TX, argued for plaintiffs-appellants.

STEPHANIE SIVINSKI, Haynes & Boone, LLP, Dallas, TX, argued for defendant-cross-appellant and defendant- Case: 20-1739 Document: 76 Page: 2 Filed: 01/12/2022

appellee. Also represented by JOHN RUSSELL EMERSON, DEBRA JANECE MCCOMAS; ANGELA OLIVER, Washington, DC. ______________________

Before DYK, HUGHES, and STOLL, Circuit Judges. DYK, Circuit Judge. Plastronics Socket Partners, Ltd. (“Plastronics Socket”) and Plastronics H-Pin, Ltd. (collectively, “Plaintiffs”) brought suit against Dong Weon Hwang, HiCon Co., Ltd. (“HiCon”), and HiCon Company (collectively, “Hwang”), al- leging patent infringement, various torts, and breach of contract. Hwang brought counterclaims for patent in- fringement and breach of contract. Following a jury trial, the district court awarded damages to both Hwang and Plaintiffs under the breach of contract claims. We affirm the judgment in favor of Hwang and reverse the judgment in favor of Plaintiffs. BACKGROUND Spring pins are used with sockets to receive and test semiconductor chips. Hwang developed a type of spring pin referred to as the H-Pin around 2004 while living and working in Korea. Prior to the H-Pin, the most common form of spring pin was manufactured using machined parts. The H-Pin was designed to be manufactured by stamping instead of machining. Stamping parts provides benefits of speed and cost over machining parts. After moving from Korea to Texas, Hwang began work- ing for Plastronics Socket in October 2004. Hwang filed an application for a Korean patent on the H-Pin invention around the time he started at Plastronics Socket. In 2005, Hwang and Plastronics Socket executed a Roy- alty Agreement. Under the Royalty Agreement, Plastron- ics Socket would pay for commercial development of the H- Pin, the costs associated with patent applications Case: 20-1739 Document: 76 Page: 3 Filed: 01/12/2022

PLASTRONICS SOCKET PARTNERS v. HWANG 3

worldwide, and a 3% royalty on sales of H-Pins and sockets containing H-Pins “after all non-reoccurring capital costs.” J.A. 12,426. Hwang, for his part, granted Plastronics Socket the joint right to practice the technology covered by the H-Pin patents worldwide except in Korea and agreed to share royalties he was paid from third parties (paragraph 4). Specifically, paragraph 4 of the Royalty Agreement states: Remuneration to [Plastronics Socket]: As a as- signee of the patent or patents pertaining to the H- pin project, Hwang has certain rights to use this patent or license the patent with consent of the other assignee, [Plastronics Socket]. In the event the patent royalties are paid by a third party, [Plas- tronics Socket] and Hwang will split royalty 50%/50% respectively. In the event when Hwang works directly for another entity, [Plastronics Socket] will be entitled to 1.5% of royalty([Plastron- ics Socket] and Hwang will split royalty 50%/50% respectively ) of gross sales of patented products from the “H-Pin Project” from this entity. If socket is sold with H-pin contact included, this rate is also 3/2% of socket price. J.A. 12,426. 1 Both parties were prohibited from granting licenses on the H-Pin without the other party’s approval (paragraph 5). Specifically, paragraph 5 of the Royalty Agreement states: Licensing the “H-Pin Project” patent rights: Neither [Plastronics Socket] or Hwang can grant a license for the patents covering the “H-Pin Project” without approval from the other party.

1 Spelling and other errors in original have not been corrected. Case: 20-1739 Document: 76 Page: 4 Filed: 01/12/2022

J.A. 12,427. In 2008, Hwang left Plastronics Socket, founded HiCon in Korea, and licensed his Korean patent to HiCon—alleg- edly without the required consent from Plastronics Socket. The H-Pin was evidently a successful innovation, lead- ing the CEO of Plastronics Socket, David Pfaff, to tell Hwang in 2011, “All the spring pin companies are coming out with stamped spring probes. You have changed the world.” J.A. 13,037. Through the close of discovery at the district court, Plastronics Socket had sold over $65 million worth of sockets with H-Pins, accounting for more than half of its revenue, and did not pay Hwang royalties allegedly in violation of the agreement. In 2012, Plastronics Socket created Plastronics H-Pin through a divisive merger under Texas law and assigned all rights and obligations under the Royalty Agreement to Plastronics H-Pin. Plaintiffs argue that the divisive mer- ger barred liability for damages for socket sales. Before trial, the district court granted summary judg- ment to Hwang of no liability under paragraph 4 of the Royalty Agreement. At trial, Plaintiffs presented claims for breach of only paragraph 5. The district court in- structed the jury that it could award damages to Hwang under the Royalty Agreement for royalty payments “called for and due after January the 19th, 2014,” four years before the date the suit was filed (because of the four-year statute of limitations in Texas). J.A. 9944. After trial, the jury found both parties had breached the Royalty Agreement and awarded Plaintiffs $622,606 for Hwang’s breach and awarded Hwang $1,361,860 for Plaintiffs’ breach. Plaintiffs appeal the denial of attorneys’ fees and the damages awarded to Hwang. Hwang cross- appeals the damages awarded to Plaintiffs. We have juris- diction under 28 U.S.C. §§ 1291, 1295(a). Case: 20-1739 Document: 76 Page: 5 Filed: 01/12/2022

PLASTRONICS SOCKET PARTNERS v. HWANG 5

DISCUSSION Although the Royalty Agreement does not contain a choice-of-law provision, the contracts have been executed in Texas and both parties agree that Texas law applies. We therefore apply Texas law to these issues. Univ. of W. Va. Bd. of Trustees v. VanVoorhies, 278 F.3d 1288, 1296 (Fed. Cir. 2002). We review the district court’s contract interpre- tation de novo. Merritt Hawkins & Assocs., LLC v. Gresham, 861 F.3d 143, 154 (5th Cir. 2017). We also review the district court’s application of the statute of limitations de novo. In re Hinsley, 201 F.3d 638, 644 (5th Cir. 2000). I Plaintiffs argue that the district court erred by uphold- ing a damages award that included socket sales by Plas- tronics Socket. Plaintiffs argue only Plastronics H-Pin was liable under the Royalty Agreement, and the district court thus erred by allowing damages to include sales of sockets with H-Pins because Plastronics Socket had no obligation under the Royalty Agreement.

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