Optolum v. Cree: Federal Circuit Affirms in Five-Patent LED Dispute
Optolum, Inc. brought an infringement action against LED manufacturer Cree, Inc. asserting five patents covering light emitting diode light sources. After 465 days at the Federal Circuit, the court entered an order affirming the decision below — ending the appeal without relief for Optolum.
Five LED Patents, One Federal Circuit Affirmance: Optolum v. Cree
Optolum, Inc. filed Case No. 22-1511 at the United States Court of Appeals for the Federal Circuit on 4 March 2022, appealing a lower court outcome in an infringement action against Cree, Inc. The dispute centred on five patents — US7389905, US6831303B2, US6354479, US7242028B2, and US6935548 — all relating to light emitting diode (LED) light sources. Cree, Inc. is a prominent manufacturer in the LED and semiconductor lighting sector.
The Federal Circuit closed the case on 12 June 2023. The docket order states 'AFFIRMED', indicating the appellate panel found no reversible error in the lower court's decision. The recorded Basis of Termination is 'Appeal Dismissed'. The page reports both characterisations as recorded; the reader should consult the full docket for reconciliation. The specific terms and scope of any underlying lower-court findings are not further disclosed in the available public record.
The 465-day appellate timeline is consistent with a moderately paced Federal Circuit proceeding. Five patents being litigated simultaneously suggests Optolum pursued a broad enforcement strategy across its LED portfolio; the affirmance suggests that strategy did not succeed at the appellate level. What arguments were raised, whether claim construction was contested, and any damages record below are not disclosed in the available appellate docket excerpt.
See Complete Case & Patent Analysis →Filing to Appeal Dismissed in 465 days
465 days from filing to Federal Circuit closure — a moderately paced appellate proceeding
US7389905 and four further LED light source patents — Optolum v. Cree


Any company designing, manufacturing, or distributing LED light source products — including luminaires, retrofit lamps, LED modules, and integrated lighting systems — should assess whether active claims within Optolum's portfolio intersect with their product architecture. The five patents litigated here have been through Federal Circuit review, but other Optolum patents not asserted in this case may still present risk. The lower court's claim constructions are particularly important inputs for a defensible FTO opinion.
Official order — verbatim text
The Federal Circuit order — 'THIS CAUSE having been considered, it is ORDERED AND ADJUDGED: AFFIRMED' — is a final appellate disposition finding no reversible error in the proceedings below. The terse affirmance formula is standard at the Federal Circuit and does not itself indicate the specific grounds (claim construction, validity, infringement, or procedural) on which the lower court ruled; those grounds are controlled by the lower court record and any accompanying Federal Circuit opinion, which are not reproduced in the available docket excerpt.
Federal Circuit affirms: what the ruling means for both parties
What 'AFFIRMED' means at the Federal Circuit
An affirmance means the appellate panel reviewed the lower court record and found no reversible legal error — whether in claim construction, validity, infringement analysis, or procedure. The lower court decision therefore stands in full. Optolum's avenue for further federal appellate review is limited to a petition for certiorari to the Supreme Court, which is granted only rarely.
No reversible error foundOptolum's five LED patents survive — but challenge fails
For Optolum, the affirmance means the lower court outcome it sought to overturn is now final at the Federal Circuit level. If the lower proceeding found against infringement or invalidity of the asserted claims, those findings are now confirmed. The patents themselves remain in force under their statutory terms, but the specific claims and positions argued in this litigation have been adjudicated against Optolum.
Appellate challenge exhaustedCree secures a confirmed Federal Circuit win
Cree, Inc. emerges from this appeal with the lower court decision in its favour now affirmed by the Federal Circuit. The affirmance raises the bar significantly for Optolum to re-litigate the same issues. For Cree's product teams and licensing function, the ruling provides greater certainty regarding its LED light source products relative to these five Optolum patents — though the specific scope of that protection depends on the lower court findings, which are not fully reproduced in the available record.
Lower court win confirmedStrengthened certainty for LED sector participants
A Federal Circuit affirmance in a multi-patent LED dispute signals to the broader sector that these five Optolum patents — covering LED light sources — have been tested through full federal appellate review without disturbing the outcome favourable to Cree. Competitors and product developers in the LED lighting space should note the confirmed posture of these patents, while recognising that the detailed claim scope findings from the lower court govern the practical freedom-to-operate picture.
Multi-patent LED landscape clarifiedFull party and counsel information
| Role | Name | Type | Detail |
|---|---|---|---|
| Plaintiff | Optolum, Inc. | Company | /Search in Eureka ↗ |
| Defendant | Cree, Inc. | Company | /Search in Eureka ↗ |
| Plaintiff counsel | Jacob Steven Wharton | Attorney | Counsel for Optolum, Inc.Search in Eureka ↗ |
| Plaintiff counsel | Leah R. McCoy | Attorney | Counsel for Optolum, Inc.Search in Eureka ↗ |
| Plaintiff counsel | Leigh John Martinson | Attorney | Counsel for Optolum, Inc.Search in Eureka ↗ |
| Plaintiff law firm | McCarter & English, LLP | Law Firm | Representing Optolum, Inc.Search in Eureka ↗ |
| Plaintiff law firm | Womble Bond Dickinson (US) LLP | Law Firm | Representing Optolum, Inc.Search in Eureka ↗ |
| Defendant counsel | Blaney Harper | Attorney | Counsel for Cree, Inc.Search in Eureka ↗ |
| Defendant counsel | Edwin Garcia | Attorney | Counsel for Cree, Inc.Search in Eureka ↗ |
| Defendant counsel | Peter Daniel Siddoway | Attorney | Counsel for Cree, Inc.Search in Eureka ↗ |
| Defendant law firm | Jones Day | Law Firm | Representing Cree, Inc.Search in Eureka ↗ |
| Defendant law firm | Sage Patent Group | Law Firm | Representing Cree, Inc.Search in Eureka ↗ |
| Presiding judge | Judge N/A | Judge | Court of Appeals for the Federal CircuitSearch in Eureka ↗ |
R&D signals in the LED and solid-state lighting patent space
Forward-looking patent intelligence derived from Optolum v. Cree — covering portfolio activity, filing trends, and white space in LED light source technology.
Optolum's LED patent portfolio beyond the five litigated assets
Optolum asserted five LED light source patents in this action, suggesting a focused but potentially broader portfolio in solid-state lighting. IP teams should map Optolum's full filing history to identify any additional live claims covering LED configurations, thermal management, or driver circuitry that were not part of this litigation — particularly relevant for manufacturers expanding LED product lines.
Optolum LED portfolioFiling trends in LED light source and solid-state lighting patents
The five Optolum patents originate from early-2000s LED technology waves. Patent filing activity in LED light sources has since evolved toward micro-LED, quantum dot, and smart lighting integration. Tracking current filing trends in these adjacent domains helps R&D teams identify where the next wave of enforcement risk or licensing opportunity may emerge relative to legacy LED architectures.
LED filing trend analysisCree's patent position in LED and semiconductor lighting
Cree, Inc. holds a substantial LED and semiconductor lighting patent portfolio developed over decades. Following this Federal Circuit affirmance, understanding Cree's own offensive and defensive patent assets — including recent filings in LED chip design, phosphor conversion, and SiC-based devices — is valuable for competitors and suppliers seeking to assess IP risk in commercial LED markets.
Cree LED IP landscapeAdjacent innovation space near adjudicated LED light source claims
With the Optolum patents adjudicated and their claim scope now fixed by the lower court record, R&D teams can identify design-around paths and white-space opportunities in LED light source architecture. Areas such as novel thermal dissipation structures, adaptive LED driver circuits, and integrated optical elements may offer patentable differentiation away from the specific claim language at issue in this litigation.
LED design-around white spaceSimilar LED patent infringement appeals at the Federal Circuit
Explore comparable LED and solid-state lighting patent disputes reviewed by the Federal Circuit, including multi-patent enforcement actions against major semiconductor lighting manufacturers.
Related patent case — similar technology
Comparable case in the same technology domain. Patent holder and defendant reached resolution after proceedings.
SettledRelated infringement action — same court
Comparable Light emitting diode light source-adjacent infringement action. Patent enforcement dynamics analysed in depth.
Active · District CourtRelated invalidity challenge — appellate outcome
Combined invalidity and infringement action in the same technology space. Decided after substantive proceedings.
DecidedOptolum, Inc.'s broader IP enforcement history
Optolum, Inc.'s full litigation history covering prior enforcement, licensing activity, and inter partes review proceedings.
Portfolio viewWhat this case signals for the LED lighting IP landscape
A five-patent Federal Circuit affirmance in LED technology carries enforcement and portfolio implications across the solid-state lighting sector.
Broad multi-patent assertion strategies face heightened appellate scrutiny
Optolum's simultaneous assertion of five LED patents suggests an attempt to maximise claim coverage and litigation leverage. The Federal Circuit's affirmance signals that courts will rigorously review such strategies — patent holders in lighting and semiconductor sectors should ensure each asserted claim is independently well-supported before pursuing multi-patent enforcement.
Cree's LED portfolio position is reinforced post-affirmance
With the Federal Circuit confirming the lower court outcome, Cree enters subsequent licensing or enforcement negotiations from a stronger posture with respect to these specific Optolum patents. Competitors and potential licensees should evaluate whether their product designs implicate claims that were specifically adjudicated — and what scope of protection actually survived the litigation.
Optolum's remaining patent assets warrant close monitoring
An unsuccessful Federal Circuit appeal does not extinguish a patentee's full portfolio. Optolum may hold additional LED or semiconductor lighting patents not asserted in this action. IP teams at LED manufacturers and downstream lighting integrators should audit Optolum's broader portfolio for live claims that were not the subject of this litigation.
LED light source claim construction precedent — identify the controlling lower court rulings
The affirmance locks in the lower court's claim construction and validity findings for these five patents. For practitioners advising LED product companies, identifying and analysing those specific rulings — particularly any construction of 'light emitting diode light source' — is now critical for FTO and clearance opinions across the sector.
Optolum v Cree — key questions answered
The Federal Circuit entered an order affirming the lower court decision. The docket order reads 'ORDERED AND ADJUDGED: AFFIRMED', indicating the appellate panel found no reversible error. The recorded Basis of Termination is 'Appeal Dismissed'. The case closed on 12 June 2023, 465 days after filing.
Optolum asserted five patents: US7389905, US6831303B2, US6354479, US7242028B2, and US6935548. All five relate to light emitting diode (LED) light sources. The application numbers correspond to filings made in the early-to-mid 2000s, during a foundational period for solid-state lighting commercialisation.
An affirmance confirms the lower court's findings without reversible error. The patents remain in force under their statutory terms, but the specific claims and infringement or validity positions argued in this case have been adjudicated against Optolum at the appellate level. Optolum's further federal appellate options are limited to a Supreme Court certiorari petition.
The Federal Circuit affirmance provides greater certainty to Cree regarding its LED light source products relative to these five Optolum patents. For other LED manufacturers, the ruling signals that these specific patents have been tested through full appellate review. However, Optolum may hold additional patents not asserted here, so a full portfolio FTO assessment remains advisable for companies active in LED lighting.
The recorded Basis of Termination in the case data is 'Appeal Dismissed', while the docket verdict text states 'ORDERED AND ADJUDGED: AFFIRMED'. Both characterisations are reported as recorded in the available public record. The specific terms and procedural basis for the final disposition are not further explained in the available docket excerpt; readers should consult the full Federal Circuit record for reconciliation.
Track LED patent enforcement and protect your product pipeline
Use PatSnap Eureka to monitor Optolum's remaining LED portfolio, map the claim scope of the five litigated patents, and run FTO analysis before launching LED lighting products. Stay ahead of enforcement risk in the solid-state lighting sector.
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