Seasonal Specialties, LLC v. [Defendant Not Specified]

Holiday Light Dispute Illuminates Central District of California Docket

Case Overview & Background

Seasonal Specialties, LLC, a Minnesota-based importer and wholesale distributor of holiday and seasonal decorations, has filed a patent infringement lawsuit against LEDup Enterprises, LLC, and its affiliate LEDUP Manufacturing Group Ltd. Seasonal Specialties, which supplies products to large retailers, appears to be an operating company asserting its patent portfolio against competitors. The lawsuit, filed in the U.S. District Court for the Central District of California, accuses the defendants' decorative lighting products of infringing at least one patent. This case is part of a broader litigation campaign by Seasonal Specialties, which has filed similar patent infringement suits against other players in the seasonal decoration industry, including National Christmas Products, Inc., and Everstar Merchandise Co., suggesting a strategy to enforce its intellectual property rights within its market.

The patent-in-suit is U.S. Patent No. 11,096,252, which generally relates to decorative lighting apparatuses and systems. The technology covered by Seasonal Specialties' broader patent portfolio includes inventions for creating special lighting effects in bulbs without special wiring and other innovations in decorative light strings. The defendants are actively challenging the infringement claims and the patent's validity, having retained a technical expert to compose invalidity claim charts. This robust defense indicates the case may involve complex technical arguments. The litigation's outcome could impact the competitive landscape for holiday lighting products, a significant consumer market.

The case (2:23-cv-06318) is assigned to Judge Kenly Kiya Kato in the Western Division of the Central District of California, a prominent venue for patent litigation. While patent filings in the district have seen fluctuations, it remains a key jurisdiction for intellectual property disputes, known for its judges' experience with patent law. The case's notability stems from its context within Seasonal Specialties' multi-front patent enforcement efforts against competitors in the decorative products industry. The active defense by LEDUP, including the hiring of technical experts and a related proceeding at the Federal Circuit, suggests this is a contentious dispute with the potential to clarify the scope and validity of patents in the seasonal lighting sector.

Key Legal Developments in Seasonal Specialties v. LEDup

The patent infringement litigation initiated by Seasonal Specialties, LLC against LEDup Enterprises, LLC and its related entity, LEDUP Manufacturing Group LTD (collectively "LEDup"), has been largely overshadowed by parallel invalidity proceedings before the Patent Trial and Appeal Board (PTAB) and a subsequent appeal to the Court of Appeals for the Federal Circuit. The district court case was effectively paused early in its lifecycle pending the outcome of the administrative review of the patent-in-suit.

Chronological Developments

Filing and Initial Pleadings (2023)

• 2023-08-03: Complaint Filed. Seasonal Specialties, LLC filed a patent infringement lawsuit against LEDup Enterprises, LLC in the U.S. District Court for the Central District of California, alleging infringement of U.S. Patent No. 11,096,252. The case was assigned to Judge Kenly Kiya Kato.

• Public information regarding the defendant's answer and any counterclaims is not readily available in the search results. It is common for defendants in patent cases to assert counterclaims of non-infringement and invalidity.

Parallel PTAB Proceedings and District Court Stay (2024–2026)

• 2024-08-02: IPR Petition Filed. Nearly a year after the district court case was initiated, Defendant LEDup Manufacturing Group Ltd. filed a petition for inter partes review (IPR) with the PTAB, challenging the validity of U.S. Patent No. 11,096,252. The proceeding was docketed as IPR2024-01258.

• Institution of IPR. The PTAB instituted a review of the '252 patent. While the precise date of the institution decision is not available in the search results, the institution of an IPR typically occurs approximately six months after the petition filing, suggesting a decision in early 2025.

• Stay of Litigation. Although a specific court order is not present in the search results, standard practice in patent litigation is for district courts to stay cases pending the outcome of a parallel IPR. The progression of the IPR to a final decision and appeal strongly indicates that such a stay was granted in the Central District of California case. This stay would have halted all substantive proceedings, including discovery and claim construction.

• Final Written Decision in IPR (Early 2026). The PTAB issued a Final Written Decision in IPR2024-01258. The specific outcome—which claims were found unpatentable and on what grounds—is not detailed in the available search results. However, the subsequent appeal by LEDup suggests the decision was not a complete victory for them, as petitioners can only appeal aspects of a final written decision that they lost. It is possible some claims survived the IPR challenge. A Final Written Decision is typically issued within one year of the institution decision.

Federal Circuit Appeal (2026)

• 2026-04-21: Notice of Appeal Filed. LEDup Manufacturing Group Ltd. appealed the PTAB's Final Written Decision to the U.S. Court of Appeals for the Federal Circuit. The appeal is docketed as Case No. 26-1714.

• 2026-04-22: Docketing of Appeal. The appeal was officially entered on the Federal Circuit's docket.

Outcome and Current Posture

As of May 8, 2026, the district court litigation remains filed but is likely administratively stayed and inactive. The central focus of the dispute has shifted to the Federal Circuit. The outcome of the appeal will be determinative; if the Federal Circuit affirms the PTAB's decision, the district court case will proceed based on the surviving patent claims, if any. Conversely, if the Federal Circuit reverses or remands, the scope of the district court litigation could be altered accordingly. The case is currently in the early stages of the appellate process.

Counsel for Plaintiff Seasonal Specialties, LLC

Seasonal Specialties, LLC has retained a team from the national law firm Foley & Lardner LLP to represent it in this patent infringement action.

• Jeanne M. Gills (Lead Counsel)

  • Firm: Foley & Lardner LLP, Chicago, IL.
  • Note: Gills is a partner, a member of the firm's Management Committee, and former vice-chair of the IP Litigation Practice; she has served as lead trial counsel in complex, high-stakes patent cases and over 25 PTAB proceedings.

• Katherine F.J. Gills

  • Firm: Foley & Lardner LLP, Chicago, IL.
  • Note: Publicly available information does not specify her role or extensive litigation experience, though her association with Foley & Lardner is noted in legal directories. Her exact role as lead, of-counsel, or otherwise is not specified in the readily available documents.

• Payam F. Ghassemi

  • Firm: Foley & Lardner LLP, Chicago, IL.
  • Note: Ghassemi holds a Ph.D. and his background appears to be in robotics and engineering, which could provide technical expertise for the case. His specific role in this litigation is not detailed in available public records.

• Robert A. Weikert (Local Counsel)

  • Firm: Nixon Peabody LLP, Los Angeles, CA.
  • Note: A partner with nearly four decades of experience, Weikert's practice focuses on intellectual property matters, including trademark, copyright, and trade secret litigation.

It is worth noting that some case databases list additional attorneys from firms such as Saul Ewing LLP representing Seasonal Specialties in a related appeal at the Federal Circuit stemming from a PTAB proceeding, but their appearances have not been formally entered in this specific district court case docket as of the latest available information. The core district court team appears to be from Foley & Lardner, with local support from Nixon Peabody.

Counsel for Defendant LEDup Enterprises Has Not Been Publicly Identified

While court records confirm that the law firm of Fairfield and Woods, P.C., based in Denver, Colorado, is representing defendants LEDup Enterprises, LLC and LEDUP Manufacturing Group Ltd. in this matter, the specific attorneys of record have not been identified in publicly available documents.

Searches of the docket and related legal databases confirm the engagement of Fairfield and Woods, P.C. For instance, the curriculum vitae of a technical expert retained by the defendants explicitly names "Fairfield & Woods PC, Denver CO" as the law firm for LEDUP Manufacturing Group in case number 2:23-cv-06318. PacerMonitor records also link "Fairfield And Woods P.C." to defendant "Ledup Manufacturing Group Ltd." in this case.

However, no notice of appearance or other docket entry accessible through public web searches names the individual counsel who have formally appeared for the defendants. The firm's website lists several attorneys in its intellectual property and patent litigation practice groups, but there is no specific information linking any of them to this litigation.

Therefore, although the defending law firm is known, the names and roles of the individual attorneys representing LEDup Enterprises remain unconfirmed from available sources. No filings are marked as sealed to suggest this information is being intentionally withheld. It is possible that individual appearances have been filed but are not yet reflected in the databases accessible via web search.