Book a demo

Cut patent&paper research from weeks to hours with PatSnap Eureka AI!

Try now
Belden Canada v. CommScope Patent Infringement — Delaware District Court | PatSnap
Explore in Eureka
Case ID1:22-cv-00782
FiledJun 2022
ClosedOct 2025
Patent Litigation

Belden Canada v. CommScope: Judgment for Defendants After 1,219 Days

Belden Canada ULC filed suit against CommScope and its affiliates in Delaware federal court in June 2022, asserting US6409547B1 against four structured cabling product lines. After more than three years of litigation, the court entered judgment in favour of CommScope on the core infringement count, with remaining counterclaims dismissed without prejudice.

Resolution time
1219days
1,219 days — above the median for patent cases in Delaware District Court
Patents asserted
1
US6409547B1 — structured cabling connector technology, single patent asserted
Outcome
Dismissed without Prejudice
Judgment entered for CommScope on Count I; remaining claims dismissed without prejudice
Cost ruling
Costs Deferred
Bill of costs and attorney fees motions extended 30 days post-appeal period or mandate
Published by PatSnap Insights Team · Verified by PatSnap Eureka Data
Case overview

CommScope prevails in Belden’s structured cabling patent battle

Belden Canada ULC initiated this infringement action in the District of Delaware on 13 June 2022, asserting US Patent No. 6,409,547 B1 against CommScope, Inc., CommScope Inc. of North Carolina, and CommScope Technologies LLC. The accused products spanned four prominent structured cabling lines: the GigaSPEED X10D MGS600 Series, the GigaSPEED XL MGS400 Series, the Tyco Amp-Twist, and the Uniprise UKJ10G — all high-performance Category cabling and connectivity solutions sold into enterprise network infrastructure markets.

The case concluded on 14 October 2025 when Judge Richard G. Andrews entered judgment in favour of all three CommScope defendants on Count I of Belden’s complaint — the core infringement allegation — and on CommScope’s First Counterclaim. The parties filed a joint stipulation for entry of judgment, suggesting a negotiated resolution of the merits rather than a fully contested trial verdict. Defendants’ remaining defenses and counterclaims were dismissed without prejudice, preserving CommScope’s ability to reassert those claims if circumstances warrant.

A litigation span of 1,219 days is consistent with complex patent matters involving multiple defendant entities and broad product accusations, yet the joint stipulation mechanism suggests the parties ultimately converged on agreed terms rather than pursuing a jury determination. The public record does not disclose whether any licensing arrangement, royalty payment, or commercial settlement accompanied the stipulated judgment. The deferral of costs and attorney fees until after the appeal window closes signals that further proceedings — or at least the threat of appeal — remain live considerations for both sides.

Case at a glance
Case no.1:22-cv-00782
CourtDelaware
JudgeRichard G. Andrews
FiledJune 13, 2022
ClosedOctober 14, 2025
Duration1219 days
OutcomeDismissed without Prejudice
Verdict causeInfringement Action
BasisDismissed without Prejudice
Prior Art Intelligence
See what prior art exists on this patent.
Eureka scans millions of patents and papers to surface prior art that may have invalidated these claims before costly litigation begins.
Check Prior Art
Case data sourced from PACER / Delaware District Court via PatSnap Eureka Litigation Intelligence Explore similar cases ↗
Case timeline

Filing to Dismissed without Prejudice in 1219 days

1,219 days — above the median for patent cases in Delaware District Court

Case timeline: Complaint filed JUN 13 2022, FEB–MAR — 1219 days total Horizontal timeline showing the three key events in Belden Canada ULC v Commscope, Inc. from filing to resolution. Source: PACER, Delaware District Court. JUN 13 2022 Complaint filed Pre-trial proceedings OCT 14 2025 Dismissed without Prejudice 1219 DAYS TOTAL
Court ruling

Judgment for CommScope: what the stipulated ruling means for both parties

Legal mechanism

Stipulated judgment under Rule 54(a) — agreed, not litigated to verdict

The court entered judgment pursuant to Fed. R. Civ. P. 54(a) on the basis of a joint stipulation by the parties. This mechanism allows parties to agree on the disposition of specific claims without a full trial. Judgment was entered for CommScope on Count I (infringement) and CommScope’s First Counterclaim. This is a binding court order, but its factual basis reflects party agreement rather than judicial fact-finding on the merits.

Stipulated — Rule 54(a) judgment
Patent holder outcome

Belden takes a loss on core infringement count

Judgment was entered against Belden Canada on Count I — its primary infringement allegation under US6409547B1. This is an adverse ruling on the claim Belden brought to enforce its patent against CommScope’s product lines. Whether Belden received any commercial consideration in exchange is not disclosed in the public record. The remaining CommScope counterclaims dismissed without prejudice means certain invalidity or other positions could resurface in future proceedings.

Plaintiff loss on Count I
Defendant outcome

CommScope secures judgment and preserves remaining counterclaims

All three CommScope entities — CommScope Inc., CommScope Inc. of North Carolina, and CommScope Technologies LLC — obtained a favourable judgment on the infringement count and on CommScope’s First Counterclaim. Crucially, remaining counterclaims were dismissed without prejudice rather than with prejudice, preserving CommScope’s right to reassert invalidity or other defences in a subsequent action if needed. The cost and fee deferral also keeps financial pressure options open.

Full defendant judgment — counterclaims preserved
Commercial implications

CommScope’s structured cabling lines cleared; Belden’s patent enforcement stalls

With judgment entered in CommScope’s favour, its GigaSPEED, Amp-Twist, and Uniprise product lines are no longer under active infringement threat from US6409547B1 in this proceeding. For competitors and OEM partners in the structured cabling market, this outcome suggests the asserted patent’s enforceability against CommScope’s specific implementations could not be sustained. Belden may still hold rights to assert the patent elsewhere, but this ruling represents a significant enforcement setback.

CommScope products cleared in Delaware
Legal analysis based on PACER docket records for case 1:22-cv-00782 and PatSnap Eureka litigation intelligence Search PatSnap Eureka ↗
Parties and representation

Full party and counsel information

RoleNameTypeDetail
PlaintiffBelden Canada ULCIndividualStructured cabling IP licensor — holder of US6409547B1 connector technology patentSearch in Eureka ↗
DefendantCommscope, Inc.CompanyCommScope, Inc. and affiliates — global manufacturer of network infrastructure and cabling solutionsSearch in Eureka ↗
Co-DefendantCommScope Inc. of North CarolinaCompanySearch in Eureka ↗
Co-DefendantCommScope Technologies, LLCCompanySearch in Eureka ↗
Plaintiff counselAlexis StombaughAttorneyCounsel for Belden Canada ULCSearch in Eureka ↗
Plaintiff counselDenis J. SullivanAttorneyCounsel for Belden Canada ULCSearch in Eureka ↗
Plaintiff counselDouglas J. NashAttorneyCounsel for Belden Canada ULCSearch in Eureka ↗
Plaintiff counselGenevieve M. HalpennyAttorneyCounsel for Belden Canada ULCSearch in Eureka ↗
Plaintiff counselJennifer SiewAttorneyCounsel for Belden Canada ULCSearch in Eureka ↗
Plaintiff counselJohn D. CookAttorneyCounsel for Belden Canada ULCSearch in Eureka ↗
Plaintiff counselMaliheh ZareAttorneyCounsel for Belden Canada ULCSearch in Eureka ↗
Plaintiff counselMichael A. DorfmanAttorneyCounsel for Belden Canada ULCSearch in Eureka ↗
Plaintiff counselNaresh K. KannanAttorneyCounsel for Belden Canada ULCSearch in Eureka ↗
Plaintiff counselPilar Gabrielle KramanAttorneyCounsel for Belden Canada ULCSearch in Eureka ↗
Plaintiff counselPranav L. KattiAttorneyCounsel for Belden Canada ULCSearch in Eureka ↗
Plaintiff counselRobert M. VranaAttorneyCounsel for Belden Canada ULCSearch in Eureka ↗
Plaintiff law firmBarclay Damon LLPLaw FirmRepresenting Belden Canada ULCSearch in Eureka ↗
Plaintiff law firmMcCarter & English, LLPLaw FirmRepresenting Belden Canada ULCSearch in Eureka ↗
Plaintiff law firmProcopio, Cory, Hargreaves & Savitch LLPLaw FirmRepresenting Belden Canada ULCSearch in Eureka ↗
Plaintiff law firmYoung, Conaway, Stargatt & Taylor LLPLaw FirmRepresenting Belden Canada ULCSearch in Eureka ↗
Defendant counselChristopher R. JohnsonAttorneyCounsel for Commscope, Inc.Search in Eureka ↗
Defendant counselDennis C. BremerAttorneyCounsel for Commscope, Inc.Search in Eureka ↗
Defendant counselKelly E. FarnanAttorneyCounsel for Commscope, Inc.Search in Eureka ↗
Defendant counselPhilip P. CaspersAttorneyCounsel for Commscope, Inc.Search in Eureka ↗
Defendant counselSara M. MetzlerAttorneyCounsel for Commscope, Inc.Search in Eureka ↗
Defendant counselSaukshmya TrichiAttorneyCounsel for Commscope, Inc.Search in Eureka ↗
Defendant counselTara C. NorgardAttorneyCounsel for Commscope, Inc.Search in Eureka ↗
Defendant counselTimothy A. LindquistAttorneyCounsel for Commscope, Inc.Search in Eureka ↗
Defendant counselWilliam F. BullardAttorneyCounsel for Commscope, Inc.Search in Eureka ↗
Defendant law firmRichards Layton & Finger PALaw FirmRepresenting Commscope, Inc.Search in Eureka ↗
Presiding judgeJudge Richard G. AndrewsJudgeDelaware District CourtSearch in Eureka ↗
Official verdict

Official order — verbatim text

“Having received the Parties’ joint stipulation for entry of judgment and dismissal of certain counterclaims and pursuant to Fed. R. Civ. P. 54(a), this ___ day of October 2025, pursuant to Fed. R. Civ. P. 54(a), IT IS HEREBY ORDERED that: Judgment is entered in favor of Defendants CommScope, Inc., CommScope, Inc. of North Carolina, and CommScope Technologies LLC (“Defendants”) and against Plaintiff Belden Canada ULC (“Plaintiff”) on Count I of Plaintiff’s Complaint (D.I. 1) and Defendants’ First Counterclaim in Defendants’ Answer, Affirmative Defenses and Counterclaims (D.I. 22). Any and all of Defendants’ remaining defenses and counterclaims not addressed above are dismissed without prejudice. The Court further ORDERS that the time for filing a bill of costs under D. Del. LR 54.1 and Fed. R. Civ. P. 54(d) and the time for filing any motion for attorney fees is extended until 30 days after the time to appeal has expired, or, if an appeal is filed, until 30 days after the appellate court’s issuance of the mandate regarding the appeal of this Court’s final judgment. The Clerk of the Court is directed to close this case.”
Source: PACER Docket, Case 1:22-cv-00782, Delaware District Court

The court’s order reflects a joint stipulation rather than a contested ruling — meaning CommScope did not need to prevail through claim construction, summary judgment, or trial. Judgment on Count I (infringement) and CommScope’s First Counterclaim is entered as a binding order, but the factual and legal basis for non-infringement or invalidity was not publicly adjudicated. The without-prejudice dismissal of remaining counterclaims is notable: it preserves the legal landscape rather than closing it, suggesting both parties anticipate some possibility of future proceedings or at minimum wished to preserve optionality.

PACER case 1:22-cv-00782 · Public docket record Explore in Eureka ↗
Patent at issue

US6409547B1 — High-performance structured cabling connector technology

Publication No.US6409547B1
Application No.US09/452709
Patent details
ProductHigh-performance structured cabling connector and termination technology
Cited in actionJune 13, 2022

US Patent No. 6,409,547 B1 was asserted by Belden Canada ULC as the sole patent in this infringement action. The patent, filed under application number US09/452709, covers technology in the structured cabling and connectivity space — the domain of high-performance cable connector and termination systems used in enterprise network infrastructure. Such patents typically protect specific physical or electrical design elements of modular connectors, jack assemblies, or cable management systems designed to support high data-rate transmission standards such as Category 6A or 10GbE.

The strategic relevance of US6409547B1 extends across the structured cabling supply chain. Belden and CommScope are two of the largest global competitors in this sector, making this dispute a significant test of IP boundaries between rival product lines. The four accused CommScope product families — GigaSPEED X10D MGS600, GigaSPEED XL MGS400, Amp-Twist, and Uniprise UKJ10G — represent core enterprise cabling portfolios. A successful enforcement campaign by Belden would have created meaningful design-around obligations or royalty burdens for CommScope across its North American and global sales.

Patent data sourced from USPTO via PatSnap Eureka patent database Search patent records in Eureka ↗
Freedom to operate

Should you run an FTO analysis against US6409547B1?

Any company designing, manufacturing, or distributing structured cabling connectors, patch panels, or modular jack assemblies targeting high-speed enterprise network applications should assess exposure to US6409547B1. This patent was asserted against four distinct CommScope product lines — demonstrating that the patent holder interpreted its claims broadly enough to capture different form factors and brand implementations across a major competitor’s portfolio. The case outcome does not constitute an invalidity ruling, meaning the patent remains a live enforcement risk for other market participants.

PatSnap Eureka’s FTO Search Agent enables R&D and IP teams to map the claim scope of US6409547B1 against their own connector and cabling product architectures, identify prior art that could support invalidity arguments, and benchmark against similar structured cabling patents in adjacent portfolios. With Belden’s enforcement history now on record, proactive FTO analysis is the most effective way to quantify and manage residual risk before a product launch or next-generation design cycle.

PatSnap Eureka FTO Search

Run a freedom-to-operate analysis on US6409547B1 to assess your product’s exposure

Run FTO in Eureka →
Related litigation

Similar structured cabling patent disputes in Delaware and beyond

Explore related patent infringement cases involving structured cabling, high-speed connectivity, and network infrastructure IP litigated in Delaware and other federal courts.

🔍
Access 40+ similar cases in PatSnap Eureka
Belden Canada ULC patent enforcement history, Delaware case history, Belden Canada ULC’s full IP portfolio, and comparable case analysis
Belden v. CommScope prior disputesCat 6A connector patent casesD. Del. infringement — networking IPCommScope patent litigation history
Unlock similar cases in Eureka →
Strategic implications

What this case signals for the structured cabling IP landscape

A major cabling patent dispute resolved by stipulated judgment raises pointed questions about patent enforceability across high-performance connectivity product lines.

Joint stipulations signal negotiated endgames — watch for licensing terms

When a multi-year patent dispute ends via joint stipulation rather than trial, it typically signals that parties reached commercial accommodation behind the scenes. IP teams monitoring the structured cabling sector should note that stipulated judgments often accompany undisclosed licensing arrangements or cross-licensing deals — the public record alone does not tell the full story.

Counterclaims dismissed without prejudice: CommScope retains invalidity arsenal

CommScope’s remaining counterclaims — likely including invalidity challenges to US6409547B1 — were dismissed without prejudice. This is strategically significant: should Belden attempt to assert this patent against other CommScope products or in other jurisdictions, CommScope retains the ability to deploy those invalidity arguments. R&D and IP teams should factor this into any freedom-to-operate analysis involving this patent.

🔒
Full strategic analysis in PatSnap Eureka
Unlock gated intelligence on structured cabling patent enforcement risk and Delaware District Court litigation strategy for telecom infrastructure IP teams.
Claim scope analysisPrior art exposure mapBelden portfolio risk flags
Unlock full analysis →
Analysis powered by PatSnap Eureka Litigation Intelligence Explore in Eureka ↗
Frequently asked questions

ULC v Commscope — key questions answered

Still have questions? PatSnap Eureka can answer them instantly from patent and litigation data. Ask Eureka ↗
PatSnap Eureka

Stay ahead of structured cabling patent risk with PatSnap

Run FTO analysis on US6409547B1 before your next cabling product launch. PatSnap Eureka tracks live enforcement activity across Belden, CommScope, and the broader structured cabling IP ecosystem so your R&D and legal teams are never caught off guard.

Ask anything about this case.
PatSnap Eureka searches patents and litigation data to answer instantly.
Powered by PatSnap Eureka
Link copied to clipboard

Related Litigation Cases

Help us improve this page

Found incorrect or outdated information? Let us know and we'll get it fixed.