LG Electronics Inc. v. Invention Investment Fund I, L.P.

Supreme Court of Delaware·Decided April 7, 2026·No. 243, 2025·Published

Opinion

IN THE SUPREME COURT OF THE STATE OF DELAWARE

LG ELECTRONICS INC., § §

Plaintiff Below, § No. 243, 2025 Appellant/Cross-Appellee, § § Court Below: Superior Court v. § of the State of Delaware §

INVENTION INVESTMENT § C.A. No. N22C-11-145 FUND I, L.P., INVENTION § INVESTMENT FUND II, LLC, § INTELLECTUAL VENTURES I § LLC, and INTELLECTUAL § VENTURES II LLC, § §

Defendants Below, § Appellees/Cross-Appellants. §

Submitted: January 7, 2026 Decided: April 7, 2026

Before TRAYNOR, LEGROW, and GRIFFITHS Justices.

Upon appeal from the Superior Court of the State of Delaware. AFFIRMED IN PART, REVERSED IN PART, AND REMANDED.

Jeremy D. Anderson, Esquire, BAKER & HOSTETLER LLP, Wilmington, Delaware; Michael J. McKeon, Esquire, Christian A. Chu, Esquire, R. Andrew Schwentker, Esquire (argued), FISH & RICHARDSON P.C., Washington, D.C., for Plaintiff Below, Appellant/Cross-Appellee LG Electronics Inc.

Brian E. Farnan, Esquire, Michael J. Farnan, Esquire, FARNAN LLP, Wilmington, Delaware; Meredith Martin Addy, Esquire (argued), ADDYHART P.C., Atlanta, Georgia, for Defendants Below, Appellees/Cross-Appellants, Invention Investment Fund I, L.P., Invention Investment Fund II, LLC, Intellectual Ventures I LLC, and Intellectual Ventures II LLC.

TRAYNOR, Justice:

This appeal involves a breach of contract action between parties to a patent license agreement. The licensee sued the licensor in the Superior Court, alleging that the licensor’s lawsuits in Texas against two of the licensee’s customers breached the license agreement. The licensee alleged that the Texas lawsuits gave rise to an obligation on its part to indemnify its customers for the cost of defending and settling the licensor’s lawsuits. The licensee sought damages in the amount of that indemnification obligation. At the close of a week-long trial, the jury agreed with the licensee and returned a verdict in its favor.

Neither side is content with the judgment entered by the trial court following the jury’s verdict. The licensor believes that the products involved in its lawsuits against the licensee’s customers are not covered by the license agreement and that, even if they are, the licensee did not prove at trial its entitlement to damages. The licensee contends that the trial court improperly applied a contractual damages limitation to the jury’s verdict and erroneously denied its request for an award of prejudgment interest and costs.

As we explain in this opinion, we conclude that the licensor’s arguments lack merit. We conclude further that the trial court was correct to apply the contractual damages cap but that it erred in applying it in the manner advocated by the licensor for the first time on the eve of trial. And finally, we agree with the licensee that the

trial court’s denial of its motion for an award of prejudgment interest and costs should not stand. We thus affirm the Superior Court’s judgment in part, reverse it in part, and remand so that the court can amend its judgment in accordance with our decision.

I

A

LG Electronics Inc. is a company organized under the laws of the Republic of Korea. Although known for its consumer electronics products, LG also makes motor vehicle components, including telematics units. Telematics units equip vehicles with cellular, GPS, Wi-Fi, and mobile hotspot capabilities.

Invention Investment Fund I, L.P., Invention Investment Fund II, LLC, Intellectual Ventures I LLC, and Intellectual Ventures II LLC (collectively, “IV”), are Delaware entities that acquire patents. Through those acquisitions, IV gains the rights associated with the use of the patents. IV profits by selling the right to use those patents through license agreements. If IV’s patented technology is used without its permission, IV can assert its patent rights by suing for patent infringement.

In 2016 and 2017, IV sued LG’s customers in Germany, alleging patent infringement, based on, among other things, their use of LG’s electronics products. LG was not a party to these lawsuits, but the suits triggered LG’s indemnification

obligations to its customers. To resolve the lawsuits and protect against future liability—in the words of LG’s corporate witness, Hongsun Yoon, “to secure[] patent peace”—LG entered into a Patent License Agreement with two entities that were at the time related to IV: IV International Licensing (“IVIL”) and Intellectual Ventures- Invention Investment Ireland (“III”).1 For LG, the “patent peace” it secured by entering the License Agreement meant that it could “make products, sell products, use products, but also . . . protect[] [its] customers for their use of [its] products under all of IV’s patents.”2 The Agreement achieved this end but only to the extent that LG’s products were “Licensed Offering(s).” Under § 1 of the Agreement, the term “Licensed Offering(s)” is defined as:

all of [LG’s] . . . current and future products, processes, services or technologies that are:

(a) made or used by [LG] . . .; or

(b) provided to [LG] . . . by a third party . . . and sold or distributed by [LG] . . . under a mark or trade indicia of [LG]

. . . .3

A specific category of products, “Foundry Products,” is excluded from the definition

of “Licensed Offering(s),” meaning that the license does not cover

products manufactured by [LG] . . . for or on behalf of a third party, solely according to such third party’s proprietary design specifications,

1 App. to Opening Br. at A437. 2 Id. 3 Id. at A211.

for delivery to or on behalf of such third party, whereby such third party sells or distributes such products as its own products under its own mark or trade indicia. 4

Thus, a product that is not a Licensed Offering may be the subject of a patent infringement action brought by IV.

Under the Agreement, LG paid a “License Fee,” which is defined under § 5.1 as $12,800,000 USD. 5 The “License Fee” consisted of two payments—one to IVIL and the other to III—as identified in subsections (A) and (B) to § 5.1:

(A) IVIL Payment: 38.38% of the License Fee; Four Million Nine Hundred Twelve Thousand Five Hundred Fifty-one United States Dollars and Eight Cents ($4,912,551.08USD) shall be paid, in United States Dollars, to IVIL (“IVIL Payment”).

(B) III Payment: 61.62% of the License Fee; Seven Million Eight Hundred Eighty-seven Thousand Four Hundred Forty-eight United States Dollars and Ninety-two Cents ($7,887,448.92 USD) shall be paid, in United States Dollars, to III (“III Payment”).6

LG and IV also agreed to a limitation-of-liability provision under § 9.6, which states:

NO PARTY WILL BE LIABLE TO ANOTHER PARTY FOR INDIRECT DAMAGES, INCLUDING ANY LOST PROFITS OR OTHER INCIDENTAL OR CONSEQUENTIAL, EXEMPLARY OR SPECIAL DAMAGES, HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY ARISING OUT OF THIS AGREEMENT, INCLUDING THE USE OR INABILITY TO USE ANY PATENT OR PRODUCT, EVEN IF SUCH PARTY OR ITS REPRESENTATIVES HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH

4 Id. at A211–12. 5 Id. at A215. 6 Id.

DAMAGES. NOTWITHSTANDING ANYTHING TO THE CONTRARY IN THIS AGREEMENT, THE AGGREGATE LIABILITY FOR CLAIMS ARISING UNDER THIS AGREEMENT WILL NOT EXCEED THE LICENSE FEE RECEIVED BY A PARTY UNDER PARAGARPH [sic] 5.1 AS OF THE DATE THAT SUCH PARTY HAS BEEN NOTIFIED OF A CLAIM; PROVIDED, HOWEVER THAT THIS LIMITATION WILL NOT APPLY TO REDUCE OR OTHERWISE LIMIT THE AMOUNTS DUE AND OWING TO EACH LICENSOR UNDER THIS AGREEMENT, INCLUDING, UNDER SECTION 5. 7

B

Two years after LG and IV entered the License Agreement, IV filed suits in Texas federal courts alleging that LG’s telematics units used by General Motors LLC (“GM”) and Toyota Motor Corporation infringed on patents of which IV was the rightful assignee. Discussions between LG and IV aimed at resolving these lawsuits were unproductive. LG expressed its view that the telematics units were “clearly licensed under the agreement.”8 IV disagreed, maintaining its suits against GM and Toyota until the suits settled; GM and Toyota each paid IV $15,000,000 and received a license to use IV’s patents.

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LG Electronics Inc. v. Invention Investment Fund I, L.P., (Del. 2026).

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