Untitled case

Patent Infringement Lawsuit: BrainGuard Technologies, Inc. v. Vista Outdoor Inc. et al.

An active patent infringement litigation is currently underway in the U.S. District Court for the Central District of California, pitting BrainGuard Technologies, Inc. against Vista Outdoor Inc., its subsidiary Revelyst Sales LLC, and Vista Outdoor Operations LLC. The case, numbered 8:24-cv-02652-JWH-ADS, is presided over by Judge John W. Holcomb, with Magistrate Judge Autumn D. Spaeth handling discovery matters.

The plaintiff, BrainGuard Technologies, Inc., is an operating company focused on developing innovative multi-layered helmet designs aimed at protecting the brain from traumatic brain injuries (TBI) by mitigating rotational shear forces. BrainGuard holds numerous U.S. and foreign patents related to this protective gear, including technologies for detecting biking, helmet usage, and proper fit. The defendants, Vista Outdoor Inc., are a prominent American designer, manufacturer, and marketer of outdoor recreation and shooting sports products, operating a "house of brands." Their subsidiary, Revelyst Sales LLC, encompasses various outdoor brands, notably Foresight Sports, which specializes in golf launch monitors, simulators, and performance software. The First Amended Complaint, filed on January 27, 2025 (Document 14), would typically detail the specific accused products or services. However, public web search results do not explicitly detail the accused products from this specific complaint. It is highly probable that the accused products relate to technologies for sensing or analyzing head impacts within sports equipment, given BrainGuard's core business. While the initial case metadata listed patent 9271536 as "at issue," comprehensive public docket searches and BrainGuard's known patent portfolio strongly suggest this may be a clerical error in the prompt. BrainGuard's patents are consistently related to helmet technology for brain protection. For instance, U.S. Patent 9,271,536, if it were related to BrainGuard's technology, could pertain to a "Wearable data collection device for determining forces on a user's head." (No direct confirmation that this specific patent, 9271536, is formally asserted in the First Amended Complaint through publicly available search results, but this is the most likely technical area given the plaintiff's business). Another patent, 8,863,319, was initially asserted but claims related to it were later dismissed.

The Central District of California is a frequently chosen venue for patent litigation, consistently ranking among the busiest intellectual property courts in the country. Its popularity stems from several factors, including a diverse and experienced judicial bench, a Patent Pilot Program that assigns patent cases to specialized judges, and a generally efficient resolution time for intellectual property disputes. The random assignment of judges also contributes to its reputation for impartiality. This particular case appears to be a straightforward patent infringement claim between an operating company focused on protective sports technology and a large outdoor recreation conglomerate with divisions in sports-related equipment. No specific IPR linkages for the currently asserted patents (beyond the dismissal of claims related to 8,863,319) or other unusual notability were readily apparent from publicly available information.

Key Legal Developments and Outcome for Patent Infringement Litigation (8:24-cv-02652)

This case, BrainGuard Technologies, Inc. v. Vista Outdoor Inc. et al., Case No. 8:24-cv-02652, is active in the U.S. District Court for the Central District of California. The litigation involves allegations of patent infringement. While the initial prompt specified patent 9271536, docket entries indicate that at least U.S. Patent No. 8,863,319 was also at issue, and its claims have since been dismissed. Information directly confirming the assertion and current status of patent 9271536 within the filed complaints and subsequent orders is not fully available through public web searches without direct PACER access.

Here's a chronological summary of the key developments available:

Filing & Initial Pleadings:

• 2024-12-06: BrainGuard Technologies, Inc. filed a patent infringement lawsuit against Vista Outdoor Inc. and Revelyst Sales LLC in the U.S. District Court for the Central District of California.
• 2024-12-27: The parties stipulated to extend the time for defendants to answer the initial complaint.
• 2025-01-22: The Court granted a stipulation allowing the plaintiff to file a First Amended Complaint.
• 2025-01-27: BrainGuard Technologies, Inc. filed a First Amended Complaint against Revelyst Sales LLC. The docket entry for this filing lists "Exhibit A, Exhibit B, Exhibit C, Exhibit D, Exhibit E" as attachments, which would typically contain the asserted patents, but specific details regarding whether patent 9271536 was included in this amended complaint are not explicitly detailed in publicly available summaries.
• 2025-02-21: Defendants were ordered to answer or otherwise respond to the First Amended Complaint by this date. Details of the answer or any counterclaims filed are not publicly available through general web search beyond this date.

Pre-trial Motions of Substance:

• 2025-10-02: The Court issued an "ORDER GRANTING STIPULATION REGARDING DISMISSAL OF CLAIMS RELATED TO U.S. PATENT NO. 8,863,319." This indicates that claims related to at least one patent originally asserted in the litigation (U.S. Patent No. 8,863,319) were dismissed by stipulation between the parties.

Claim Construction (Markman) Outcomes:

• 2025-10-22: A "Claim Construction Hearing Date" was scheduled for this date. However, the outcome of this hearing, specifically a Markman order or ruling, and whether it pertained to patent 9271536, is not publicly available through general web searches as of May 21, 2026.

Parallel PTAB IPR/PGR Proceedings:

• A search of the USPTO PTAB database for patent 9271536 does not yield any active or completed Inter Partes Review (IPR) or Post-Grant Review (PGR) proceedings related to this specific patent as of May 21, 2026.

Final Disposition or Present Posture:

• As of May 21, 2026, the case 8:24-cv-02652 remains active in the U.S. District Court for the Central District of California. While claims related to U.S. Patent No. 8,863,319 have been dismissed, the current status of the claims related to patent 9271536 (if asserted in the First Amended Complaint) and the overall progression of the litigation are not definitively available through publicly accessible docket summaries beyond early 2025, or detailed Markman rulings.

In the patent infringement case 8:24-cv-02652, BrainGuard Technologies, Inc. is the plaintiff.

The following counsel represents BrainGuard Technologies, Inc.:

• Name: Cristofer Leffler
  • Role: Counsel for Plaintiff (likely lead counsel, as he filed the First Amended Complaint).
  • Firm: Leffler Law Firm APC, located in Dana Point, California.
  • Relevant Experience: Cristofer Leffler is a patent attorney with experience in intellectual property litigation. His firm focuses on patent, trademark, and copyright litigation.

Here is the counsel of record representing the defendant(s) in BrainGuard Technologies, Inc. v. Vista Outdoor Inc. et al, Case No. 8:24-cv-02652, in the U.S. District Court for the Central District of California:

For Defendants Vista Outdoor Inc., Vista Outdoor Operations LLC, and Revelyst Sales LLC:

• David T. Pollock

  • Role: Lead Counsel
  • Firm: Reed Smith LLP, San Francisco, CA
  • Experience Note: Mr. Pollock's practice focuses exclusively on patent litigation, drawing on his background as a medical device and automotive engineer. He has served as lead counsel in numerous Inter Partes Review (IPR) proceedings, securing Final Written Decisions of invalidity, and has successfully argued for affirmance at the Federal Circuit. He has represented clients in matters concerning medical imaging, electrosurgery, vehicle infotainment, and has defended clients in multi-defendant cases filed by non-practicing entities (NPEs).

• Amy K. Wigmore

  • Role: Counsel
  • Firm: Wilmer Cutler Pickering Hale and Dorr LLP (Office location not specified in search results, but the firm has offices in California)
  • Experience Note: Specific patent litigation experience for Amy K. Wigmore related to past cases or notable expertise was not readily available in the provided search results.

• James M. Dowd

  • Role: Counsel
  • Firm: Wilmer Cutler Pickering Hale and Dorr LLP (Office location not specified in search results, but the firm has offices in California)
  • Experience Note: Specific patent litigation experience for James M. Dowd related to past cases or notable expertise was not readily available in the provided search results.

• Vikram Iyer

  • Role: Counsel
  • Firm: Wilmer Cutler Pickering Hale and Dorr LLP (Office location not specified in search results, but the firm has offices in California)
  • Experience Note: Specific patent litigation experience for Vikram Iyer related to past cases or notable expertise was not readily available in the provided search results.

• Joshua Stern

  • Role: Counsel
  • Firm: Wilmer Cutler Pickering Hale and Dorr LLP (Office location not specified in search results, but the firm has offices in California)
  • Experience Note: Specific patent litigation experience for Joshua Stern related to past cases or notable expertise was not readily available in the provided search results.

• Madeleine C. Laupheimer

  • Role: Counsel
    Firm: Wilmer Cutler Pickering Hale and Dorr LLP (Office location not specified in search results, but the firm has offices in California)
  • Experience Note: Specific patent litigation experience for Madeleine C. Laupheimer related to past cases or notable expertise was not readily available in the provided search results.

The information regarding David T. Pollock is based on a PacerMonitor docket entry from December 6, 2024, which also lists him as representing Vista Outdoor Inc., Vista Outdoor Operations LLC, and Revelyst Sales LLC. The PacerMonitor entry also lists the Wilmer Cutler Pickering Hale and Dorr LLP attorneys for Revelyst Sales LLC, with the last check on the docket being June 7, 2025.