Patent 11806526

Assignment history

Inventors, original assignee, and the chain of ownership recorded with the USPTO — including the correspondent attorney who recorded each assignment, since shell-LLC chains often share one repeat-player attorney even when the entity names look unrelated. Surfaces NPE / patent-troll patterns: shell-entity transfers, known asserters in the chain, repeat correspondent fingerprints, pre-litigation assignments, and bankruptcy fire-sales.

Active provider: Google · gemini-2.5-flash

Ownership chain (1)

Asserters network →

Structured records extracted from the assignment-history narrative below. Each entity links to its full ownership-network profile.

  1. 2021-10-21 · recorded 2021-10-22 · reel 058349/0567 · ASSIGNMENT OF ASSIGNORS INTEREST

    NI, QUAN; RONDONI, JOHN; DIEKEN, DAVID; WAGNER, DARRELLINSPIRE MEDICAL SYSTEMS, INC.

    Correspondent: · JONES DAY

    inventor assignment

Assignment history

Inventors, original assignee, and the chain of ownership recorded with the USPTO — including the correspondent attorney who recorded each assignment, since shell-LLC chains often share one repeat-player attorney even when the entity names look unrelated. Surfaces NPE / patent-troll patterns: shell-entity transfers, known asserters in the chain, repeat correspondent fingerprints, pre-litigation assignments, and bankruptcy fire-sales.

✓ Generated

Inventors

The named inventors for US Patent 11806526 are Darrell Wagner, Quan Ni, John Rondoni, and Dave Dieken. At the time of the earliest priority date (2015-03-19) and the filing date (2020-09-04), all inventors were employed by Inspire Medical Systems Inc, the original assignee.

Original assignee

The original assignee named on the issued patent is Inspire Medical Systems Inc.
Inspire Medical Systems Inc is a publicly traded medical device company (NYSE: INSP) that manufactures and sells the Inspire Upper Airway Stimulation (UAS) system, which is an implantable neurostimulation device designed to treat obstructive sleep apnea. This product directly embodies the claims of US11806526, which relates to methods and systems for stimulating an airway-patency-related nerve for treating sleep disordered breathing. Inspire Medical Systems Inc is currently an operating company.

Assignment timeline

Note: A live search on the USPTO Assignment Center (https://assignmentcenter.uspto.gov/) was performed. The following assignment record was found for US Patent 11806526.

  • 2021-10-21 (executed) / recorded 2021-10-22 — Reel 058349/0567
    • Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST
    • Assignor: NI, QUAN; RONDONI, JOHN; DIEKEN, DAVID; WAGNER, DARRELL (all individuals, the inventors)
    • Assignee: INSPIRE MEDICAL SYSTEMS, INC.
    • Correspondent: JONES DAY, ATTN: PATENT DOCKETING, 250 VESEY STREET, NEW YORK, NEW YORK, 10281-1047
    • Context: Initial assignment of patent rights from the inventors to the operating company (original assignee).

No other assignment records were found for US Patent 11806526 on the USPTO Assignment Center. This indicates that Inspire Medical Systems Inc. remains the current owner of the patent.

Timeline diagram

timeline
    title Ownership of US 11806526
    2020 : Filed by Inspire Medical Systems Inc (inventors assign)
    2021 : Inventors assigned to Inspire Medical Systems Inc
    2023 : Issued to Inspire Medical Systems Inc
    2025 : District Court litigation filed
    2026 : PTAB case filed

NPE / troll-pattern signals

  1. Shell-entity transfer — Not present. The patent was assigned directly from the inventors to Inspire Medical Systems Inc., an operating company that manufactures and sells products embodying the patented technology. No subsequent transfer to a licensing-only LLC is recorded.
  2. Known asserter in the chain — Not present. Inspire Medical Systems Inc. is an operating company, not a known NPE. No known NPEs appear in the assignment chain.
  3. Repeat correspondent across the chain — Unclear. Only one assignment is recorded from the inventors to Inspire Medical Systems, Inc. The correspondent, JONES DAY, is a large, reputable law firm that handles a wide range of legal matters, including patent prosecution and assignments for operating companies. Without further assignment records or a broader context of other patents handled by this specific correspondent for Inspire Medical Systems Inc., it's not possible to determine if this constitutes a "repeat correspondent across the chain" indicating an NPE pattern for this specific patent.
  4. Cascading transfers — Not present. Only one assignment from the inventors to the original operating assignee is recorded.
  5. Pre-litigation transfer — Not present. The only assignment recorded is from the inventors to Inspire Medical Systems Inc. in 2021-10-22. The earliest litigation identified is a District Court case filed in 2025 (1:25-cv-00667) and a PTAB case filed in 2026 (IPR2026-00091). These dates are well after the assignment date.
  6. Bankruptcy fire-sale — Not present. Inspire Medical Systems Inc. is an active, operating company and there is no indication of bankruptcy.
  7. Privateering — Not present. The patent remains with the operating company, Inspire Medical Systems Inc., which commercializes related products. There is no evidence of transfer to an NPE for assertion on behalf of Inspire.
  8. Defensive aggregator (anti-NPE) — Not present. The patent is owned by Inspire Medical Systems Inc., an operating company, and has not been transferred to a defensive aggregator.

Verdict

Operating-company assertion
The patent is currently owned by Inspire Medical Systems Inc., which is an operating company that develops and sells medical devices, specifically the Inspire Upper Airway Stimulation system, directly related to the claims of US11806526. The only recorded assignment is from the inventors to Inspire Medical Systems Inc. (recorded 2021-10-22, Reel 058349/0567), which is standard practice. The ongoing litigations (Delaware District Court case 1:25-cv-00667 and PTAB IPR2026-00091) are consistent with an operating company enforcing its patent rights.

USPTO Assignment Center search: https://assignmentcenter.uspto.gov/

Generated 5/27/2026, 6:47:56 PM