TOT Power Control v. LG Electronics: Wireless Power Control Patents Transferred After 283 Days
Spanish IP licensor TOT Power Control, S.L. filed suit against LG Electronics in California’s Southern District, asserting two patents covering outer loop power control methods for wireless communications systems. After 283 days, the court ordered the case transferred to a new district rather than proceeding to substantive merits adjudication.
Wireless Power Control IP Dispute Shifts Venue Before Merits Are Reached
TOT Power Control, S.L., a Spanish IP holding and licensing entity, filed this patent infringement action on April 2, 2024, in the U.S. District Court for the Southern District of California. The defendants named were LG Electronics, Inc. and its U.S. subsidiary LG Electronics U.S.A., Inc. The complaint asserted two patents — US7496376B2 and US7532865B2 — both directed at outer loop power control methods and apparatus for wireless communications systems, a foundational area of cellular network performance management.
The case closed on January 10, 2025, not through a merits ruling, settlement, or dismissal, but via a court order transferring the entire action to a different federal district. The transferring court transmitted its complete original file to the receiving district, meaning the litigation continues but under a new venue. No substantive findings on infringement, validity, or damages were made in the Southern District of California.
The 283-day duration from filing to transfer is consistent with a venue dispute or a § 1404(a) transfer motion being briefed and decided in the early phase of the case. The public record from this court does not disclose which district received the case, what grounds underpinned the transfer order, or whether either party sought the transfer. The litigation’s ultimate outcome — and any determination on the merits of the asserted wireless power control patents — remains pending in the transferee court.
Filing to Case Transferred in 283 days
283 days from filing to transfer — relatively swift for a multi-patent wireless infringement action
What a venue transfer means: case continues, no merits decided
Transfer relocates, not terminates, the litigation
A case transfer under 28 U.S.C. § 1404(a) or related statutes moves the action to a more appropriate or convenient federal district. The transferring court issues no ruling on infringement, validity, or damages. All pleadings, evidence, and procedural history travel with the file to the receiving court. The case is very much alive — only its venue has changed.
No merits adjudicationVenue change can reshape litigation strategy significantly
Different districts carry materially different patent litigation profiles: varying local rules on claim construction, differing judicial familiarity with wireless technology standards, and distinct median time-to-trial. For both TOT Power Control and LG Electronics, the transfer likely triggers fresh procedural scheduling orders and may affect the composition of any eventual jury pool. Which district received this case is not disclosed in the public record here.
Strategic reset for both partiesSubstantive fight begins at the receiving district
Once the transferee court dockets the case, proceedings resume from the stage at which transfer occurred. Claim construction, potential IPR filings at the USPTO, summary judgment, and trial remain available to both sides. LG Electronics retains all defenses — including invalidity and non-infringement — and TOT Power Control’s infringement and damages theories have not been adjudicated. The outcome of this dispute is unresolved.
Litigation continuesPower control IP remains a live risk for wireless device makers
Outer loop power control is embedded in virtually all modern cellular devices complying with WCDMA and LTE standards. A transfer without merits resolution means the asserted patents remain unchallenged by any court and retain their full presumption of validity. Device manufacturers operating in the wireless space should monitor the receiving district docket for claim construction orders that may define the patents’ scope.
Patents remain valid and enforceableFull party and counsel information
| Role | Name | Type | Detail |
|---|---|---|---|
| Plaintiff | TOT Power Control, S.L. | Individual | IP licensing entity — holder of US7496376B2 and US7532865B2, outer loop power control patentsSearch in Eureka ↗ |
| Defendant | LG Electronics, Inc. | Company | LG Electronics, Inc. and U.S. subsidiary — global consumer electronics and wireless device manufacturerSearch in Eureka ↗ |
| Co-Defendant | Lg Electronics U.S.A., Inc. | Company | Search in Eureka ↗ |
| Plaintiff counsel | Corey Johanningmeier | Attorney | Counsel for TOT Power Control, S.L.Search in Eureka ↗ |
| Plaintiff counsel | Denise M. DeMory | Attorney | Counsel for TOT Power Control, S.L.Search in Eureka ↗ |
| Plaintiff counsel | Elizabeth Day | Attorney | Counsel for TOT Power Control, S.L.Search in Eureka ↗ |
| Plaintiff counsel | Gareth E. DeWalt | Attorney | Counsel for TOT Power Control, S.L.Search in Eureka ↗ |
| Plaintiff counsel | Hillary N. Bunsow | Attorney | Counsel for TOT Power Control, S.L.Search in Eureka ↗ |
| Plaintiff counsel | Richard C. Lin | Attorney | Counsel for TOT Power Control, S.L.Search in Eureka ↗ |
| Plaintiff law firm | Bunsow DE Mory LLP | Law Firm | Representing TOT Power Control, S.L.Search in Eureka ↗ |
| Presiding judge | Judge N/A | Judge | California Southern District CourtSearch in Eureka ↗ |
Official order — verbatim text
The disposition text confirms a purely procedural outcome: the Southern District of California transferred its entire original file to the receiving district pursuant to a transfer order. No infringement finding, claim construction ruling, or validity determination was made. For LG Electronics, all substantive defenses remain intact. For TOT Power Control, the asserted patents carry their full statutory presumption of validity. The operative battleground now shifts entirely to the receiving district court’s docket.
US7496376B2 & US7532865B2 — Outer Loop Power Control for Wireless Systems
US7496376B2 (application no. US11/292715) and US7532865B2 (application no. US11/293287) both protect outer loop power control technology for wireless communications systems — a mechanism that dynamically adjusts the target signal-to-interference ratio in cellular uplink/downlink channels to maintain call quality while minimising interference. These patents trace to mid-2000s application filings, placing them squarely in the WCDMA/UMTS standardisation era when power control algorithms became central to network efficiency.
Outer loop power control is a component required across virtually all 3G and 4G cellular implementations. Patents in this space frequently carry standard-essential patent (SEP) implications, meaning licensing exposure may extend far beyond LG Electronics to any OEM, chipset vendor, or network operator deploying compliant cellular technology. The continuation of this litigation in a new forum means these patents remain a live commercial risk, and their claim scope — not yet construed by any court — will be pivotal for the industry.
Should you run an FTO against US7496376B2 and US7532865B2?
Any company designing, manufacturing, or selling wireless devices or chipsets that implement WCDMA, HSPA, or LTE power control algorithms faces potential exposure to these patents. This is not limited to handset OEMs — baseband chipset vendors, IoT device makers, and network infrastructure suppliers whose products include outer loop power control functionality should treat these patents as a priority FTO target, especially while litigation is active and claim scope remains undefined.
PatSnap Eureka’s FTO Search Agent allows R&D and IP teams to map the claim language of US7496376B2 and US7532865B2 against their specific power control implementations, identify relevant prior art that could support invalidity arguments, and monitor the receiving district docket for claim construction orders. Running this analysis now — before judicial claim construction sets the interpretive baseline — maximises your strategic options.
Run a freedom-to-operate analysis on US7496376B2 to assess your product’s exposure
Run FTO in Eureka →Similar Wireless Power Control Patent Infringement Cases
Cases involving outer loop power control and cellular standard-essential patents litigated in U.S. federal district courts, including related TOT Power Control enforcement actions.
What this case signals for the wireless communications IP landscape
Venue strategy in wireless standard-essential patent cases can be as decisive as the merits — this transfer illustrates why.
Outer loop power control patents carry broad wireless device exposure
US7496376B2 and US7532865B2 target methods embedded across WCDMA and LTE device families. Any manufacturer or chipset vendor shipping cellular devices in the U.S. should assess whether their power control implementation falls within these claims, particularly given the case’s continuation in a new forum.
Early venue disputes signal contested jurisdictional footing
A transfer within 283 days of filing — before any claim construction — typically suggests a successful venue challenge by the defendant or a sua sponte court finding. This pattern is increasingly common in wireless patent cases post-TC Heartland, and the receiving district’s local rules will now set the tactical tempo.
S.L. v LG — key questions answered
The case was transferred to a new federal district on January 10, 2025, approximately 283 days after filing. No infringement, validity, or damages rulings were issued by the Southern District of California. The litigation over US7496376B2 and US7532865B2 continues in the transferee court.
TOT Power Control asserted US7496376B2 (application US11/292715) and US7532865B2 (application US11/293287), both covering outer loop power control methods and apparatus for wireless communications systems. These patents target power control algorithms relevant to WCDMA and LTE cellular standards.
The public record from the Southern District of California does not disclose the specific grounds for transfer. However, transfers within the first year of a patent case typically result from a successful § 1404(a) convenience motion or a § 1406 improper venue challenge — patterns that became more common following the U.S. Supreme Court’s 2017 TC Heartland ruling. The exact basis is not confirmed in the available case data.
The case data does not confirm an official SEP designation for either patent. However, both cover outer loop power control for wireless communications systems — technology embedded in WCDMA and LTE standards. Whether these patents are declared essential and subject to FRAND licensing obligations would require examination of ETSI or 3GPP declarations, which is beyond the scope of the public court record here.
Manufacturers shipping devices with WCDMA or LTE power control functionality should: (1) conduct an FTO analysis against US7496376B2 and US7532865B2; (2) monitor the transferee district docket for claim construction orders; (3) evaluate prior art for potential IPR petitions before the one-year bar from the April 2024 complaint date; and (4) assess TOT Power Control’s broader enforcement portfolio for related licensing demands.
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