1. This binding civil jury verdict was issued in April 2026 by the United States District Court for the Eastern District of Michigan, Case No. 2:22-cv-01789, involving automotive cooling component utility patent infringement, unrelated to prior battery, hardware or consumer goods patent disputes. The patent holder is a U.S.-based automotive engineering enterprise anonymized as Torque Thermal Systems Inc., which obtained U.S. Utility Patent US11,181,206 covering a modular compact radiator core assembly for electric passenger vehicles through USPTO examination. The primary manufacturing defendant is a large industrial manufacturer headquartered in South Korea, anonymized as Kore Auto Components Co., Ltd., which set up a wholly-owned Delaware offshore distribution shell named Delta Distribution USA LLC solely to import, market and sell copied patented radiators to U.S. auto repair chains and OEM assembly factories. Four core provisions of Title 35 U.S.C. governed all litigation arguments and judicial rulings:35 U.S.C. §271(a) Direct Infringement Statute: Whoever without authority makes, uses, offers to sell, sells any patented invention within the United States during the term of the patent commits patent infringement. Importation of manufactured infringing components from overseas into U.S. interstate commerce independently triggers liability separate from foreign manufacturing activity.
2. 35 U.S.C. §284 Treble Enhanced Damages Standard: District courts may multiply compensatory damages up to three times where clear and convincing evidence proves willful, egregious patent infringement, per binding U.S. Supreme Court precedent Halo Electronics v. Pulse Electronics. Factors supporting enhancement include pre-litigation copying, hiding corporate ownership via offshore shells and destroying internal engineering records.
3. 35 U.S.C. §271(e)(1) Declaratory Judgment Defense Limitation: A foreign manufacturer cannot escape infringement liability by filing a pre-suit declaratory judgment action challenging patent validity if the entity has already launched mass commercial import and sales of the accused infringing product before filing the declaratory complaint.
4. Federal Common Law Alter Ego Corporate Veil Piercing Test: When a parent manufacturer creates a domestic distribution shell with no independent capital, staff or operational autonomy, courts may treat the parent and shell as a single liable entity to recover full patent damages against the overseas parent’s global assets.Kore Auto Components structured Delta Distribution USA LLC as a liability isolation vehicle: all U.S. sales contracts, warehouse leases, Amazon industrial storefronts and payment processor accounts were registered exclusively under the Delaware shell’s legal identity. The Korean parent’s name was omitted from all U.S. marketing materials, import customs filings and product packaging to avoid direct service of process and shield overseas manufacturing assets from patent damage awards.
Cross-border discovery, U.S. Customs import logs, internal Korean factory CAD design archives and executive email communications established three tiers of premeditated infringing activity:
1. Kore Auto’s internal mechanical engineering division downloaded the full published patent specification and engineering drawings directly from the USPTO public database, copied every critical structural limitation of the modular radiator core, and only altered trivial fin spacing tolerances that did not change the patented functional combination. Over 47,000 infringing radiator assemblies were manufactured in South Korea and imported into the United States over a 28-month sales window. Total gross U.S. revenue generated by infringing goods reached approximately $14.8 million.
2. All revenue from U.S. auto chain wholesale orders flowed into Delta Distribution’s Delaware bank accounts. Monthly intercompany payments back to Kore Auto Components were falsely categorized as “tooling and mold licensing fees” to obscure the flow of infringing profits from U.S. territory to the Korean parent’s offshore holding accounts. Delta maintained zero independent engineering teams, product design departments or manufacturing capacity within the United States, existing only as a paper distribution front.
3. After Torque Thermal’s U.S. patent counsel sent seven sequential formal cease-and-desist letters with certified patent proof and sample infringement comparison reports between 2022 and 2025, Delta Distribution only paused shipments for 10–18 days before resuming imports under revised customs commodity codes to evade U.S. Customs IP seizure protocols. Internal corporate retention policies mandated automated quarterly deletion of all CAD source files matching the patented radiator geometry to eliminate discoverable evidence of intentional copying, constituting evidence spoliation under Federal Rule of Civil Procedure 37(e). The dual defenses raised by Kore Auto and Delta Distribution were fully rejected by the jury and district judge: first, minor dimensional adjustments avoided literal and doctrine-of-equivalents infringement; second, the Delaware shell was an independent legal entity insulating the Korean parent from all domestic patent liability.
The Michigan federal district court applied Sixth Circuit alter ego legal standards to rule the Delaware distribution shell was merely a controlled instrumentality of the Korean manufacturing parent, imposing joint and several liability for all compensatory and enhanced damages based on three conclusive factual findings:
1. Complete asset commingling and absence of independent corporate formalities: Delta never held standalone board meetings, maintained segregated operating budgets or executed arm’s-length wholesale purchase agreements with Kore Auto. All U.S. warehousing, logistics, marketing and import customs costs were directly remitted from the Korean parent’s Seoul corporate bank accounts without separate Delta funding.
2. Lack of legitimate independent business purpose for the Delaware LLC: The sole operational function of Delta Distribution USA was to mask Kore Auto’s Korean manufacturing origin from U.S. patent holders, federal courts and U.S. Customs anti-counterfeiting divisions. No separate U.S.-based automotive component wholesale trade activity existed unrelated to importing the copied patented radiator assemblies.
3. Total unilateral operational control exercised by Korean parent executives: Seoul-based engineering and sales directors dictated all U.S. pricing, import volume targets, customs coding workarounds and responses to patent cease-and-desist correspondence, with no independent decision-making authority vested in any U.S.-based Delta staff. The judge issued a binding pretrial alter ego ruling eliminating the corporate separation liability defense entirely. The court separately held that automated quarterly erasure of patented CAD design files constituted egregious spoliation, a primary aggravating factor justifying maximum treble damages under 35 U.S.C. §284.
After 12 hours of jury deliberation, the Eastern Michigan district court entered a fully enforceable civil judgment with sweeping compensatory, enhanced and equitable remedies under Title 35 U.S.C.:
1. Aggregate treble enhanced damages totaling **$44,400,000**, jointly payable by Kore Auto Components Co., Ltd. and Delta Distribution USA LLC. The jury tripled the base compensatory reasonable royalty award of $14.8 million, weighing intentional wholesale copying, offshore shell ownership concealment, repeated disregard of formal cease-and-desist notices and systematic spoliation of core engineering evidence as severe aggravating misconduct.
2. Permanent nationwide import and sales injunction ordering U.S. Customs, all domestic logistics carriers and U.S. e-commerce industrial marketplaces to block all radiator component shipments manufactured by Kore Auto; permanent ban on Korean parent executives forming or operating any U.S.-based automotive component distribution entity for 7 years.
3. Full reimbursement of Torque Thermal’s complete litigation costs, cross-border Korean corporate discovery expenses, independent patent engineering forensic appraisal fees and attorney fees: an additional lump sum of $1,872,500 payable jointly by both defendants per 35 U.S.C. §285 exceptional case cost-shifting authority.
4. Court-ordered mandatory destruction of all infringing radiator inventory stored within U.S. warehouses and all matching manufacturing molds, CAD tooling files and production jigs held at Kore Auto’s South Korean factories, subject to semi-annual independent third-party IP compliance audits over four consecutive years.
This Eastern Michigan district court landmark verdict establishes binding compliance benchmarks for all foreign automotive hardware manufacturers importing goods into U.S. interstate commerce:
1. Overseas industrial manufacturers cannot create U.S.-based distribution LLCs solely to conceal parent corporate identity and insulate global manufacturing assets from U.S. patent damage awards; federal circuit courts routinely pierce alter ego corporate veils when domestic shells lack independent operational autonomy and exist only as liability-shielding legal fronts.
2. Minor dimensional tolerance tweaks to patented mechanical assemblies do not eliminate doctrine-of-equivalents infringement liability if the core functional technical combination claimed in the U.S. utility patent remains unchanged.
3. Temporary suspension of import shipments following patent cease-and-desist notices, paired with revised customs coding to avoid IP detention, qualifies as ongoing willful infringement and supports maximum treble damage multipliers at trial.
4. Automated routine deletion of internal design source files matching patented invention geometry to avoid patent discovery constitutes spoliation, which judges and juries classify as severe egregious conduct justifying enhanced damages under U.S. federal patent law.
1. Establishing anonymous state-level LLC distribution shells to hide overseas parent ownership for U.S. import and sales operations: federal courts pierce the corporate veil and impose full treble damages against the foreign manufacturing parent group.
2. Making only trivial dimensional adjustments to patented mechanical structures without altering the core claimed functional assembly: fails to avoid literal or equivalent infringement findings in district court patent trials.
3. Pausing imports temporarily then rerouting shipments via modified customs commodity codes after receiving valid patent cease-and-desist correspondence: strengthens willful infringement allegations and increases damage multipliers.
4. Enforcing internal corporate data retention policies that systematically erase original design CAD files derived from published U.S. patent specifications: proven spoliation that drastically elevates jury damage awards.
1. USPTO Official Full Text of Title 35 U.S.C. United States Patent Act: https://www.uspto.gov/patents/laws
2. PACER Federal Court Electronic Civil Judgment & Discovery Retrieval Portal: https://pacer.gov/
3. Federal Circuit Court of Appeals Patent Law Precedent Search Database: https://www.cafc.uscourts.gov/opinions-orders
4. U.S. Customs and Border Protection IP Rights Import Seizure Regulatory Manual: https://www.cbp.gov/trade/intellectual-property-rights
