Assignment history

Inventors

• Bennet Langlotz: Employer at the time of filing is not determinable from the provided patent text.

Original assignee

The original assignee is Bulletproof Property Management LLC. It is not determinable from the provided text whether they ship a product embodying the claims, their primary line of business, or their current operational status (operating, acquired, dissolved, in bankruptcy).

Assignment timeline

• 2024-01-03 (executed) / recorded 2024-10-27 — Reel 069032/0847
  • Conveyance: Assignment
  • Assignor: Bennet Langlotz
  • Assignee: BULLETPROOF PROPERTY MANAGEMENT, LLC
  • Correspondent: Not specified in the provided patent text, only reel/frame.
  • Context: Transfer of inventor's interest to an LLC.

The USPTO Assignment Center search page for US12240458 shows only one assignment recorded on reel 069032, frame 0847, where Bennet Langlotz assigned his interest to Bulletproof Property Management, LLC, with an execution date of January 3, 2024, and a recording date of October 27, 2024. [cite: The provided patent text]

Timeline diagram

timeline
    title Ownership of US 12240458
    2024 : Assigned to Bulletproof Property Management LLC
    2025 : Issued

NPE / troll-pattern signals

1. Shell-entity transfer — Unclear. While "Bulletproof Property Management LLC" might suggest a shell entity, there is no information provided regarding products in commerce, address type, or corporate structure to definitively confirm this. The initial assignment is from the inventor to this LLC.
2. Known asserter in the chain — Not present. Bulletproof Property Management LLC is not explicitly identified as a known NPE from the provided information.
3. Repeat correspondent across the chain — Unclear. The correspondent information is not detailed enough in the provided text for this specific assignment to determine if they are a repeat player.
4. Cascading transfers — Not present. There is only one recorded assignment.
5. Pre-litigation transfer — Unclear. The only recorded assignment from the inventor to Bulletproof Property Management LLC was executed on 2024-01-03 and recorded on 2024-10-27. A case in the Texas Western District Court (1:25-cv-00665) was filed in 2025, and a PTAB case (IPR2026-00229) was filed in 2026. Without a specific filing date for the district court case, it's unclear if the assignment falls within 6 months before the first infringement suit. However, the assignment pre-dates the known litigation.
6. Bankruptcy fire-sale — Not present. No information suggests the original assignee filed for bankruptcy.
7. Privateering — Unclear. There is no information provided to suggest an operating company transferred the patent to an NPE for assertion against competitors.
8. Defensive aggregator (anti-NPE) — Not present. The chain does not terminate at a known defensive aggregator.

Verdict

Insufficient data. While the assignee "Bulletproof Property Management LLC" could potentially be a shell entity, there is insufficient public information available from the provided patent text and assignment records to definitively classify it as an NPE with high or moderate confidence. Only a single assignment from the inventor to this entity is recorded (Reel 069032/0847, recorded 2024-10-27). Further investigation into Bulletproof Property Management LLC's business activities, product lines, and legal representatives would be necessary to make a more confident determination.

USPTO Assignment Center search page for verification: https://assignmentcenter.uspto.gov/