Patent 12171593

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. 2017-05-30 · recorded 2024-05-30 · reel 067574/0953 · ASSIGNMENT OF ASSIGNORS INTEREST

    KESNER, ADAMMEMORIAL SLOAN KETTERING CANCER CENTER, NEW YORK

    internal reorg

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

  • Adam L. Kesner (Memorial Sloan Kettering Cancer Center)

Original assignee

Memorial Sloan Kettering Cancer Center is a hospital and cancer treatment/research institution. They likely use or embody the claims in their medical imaging and research practices. Their primary line of business is patient care and medical research. Memorial Sloan Kettering Cancer Center is currently operating.

Assignment timeline

  • 2017-05-30 (executed) / recorded 2024-05-30 — Reel 067574/0953
    • Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST
    • Assignor: KESNER, ADAM
    • Assignee: MEMORIAL SLOAN KETTERING CANCER CENTER, NEW YORK
    • Correspondent: NOT LISTED
    • Context: Internal transfer from inventor to original assignee

There are no other recorded assignments for US patent 12171593 on the USPTO Assignment Center as of 2026-06-02.

Timeline diagram

timeline
    title Ownership of US 12171593
    2007 : Priority date
    2022 : Application filed by Memorial Sloan Kettering Cancer Center
    2024 : Issued to Memorial Sloan Kettering Cancer Center
         : Inventor assigned to Memorial Sloan Kettering Cancer Center

NPE / troll-pattern signals

  1. Shell-entity transfer — not present (The only assignment is from the inventor to Memorial Sloan Kettering Cancer Center, an operating entity.)
  2. Known asserter in the chain — not present (Memorial Sloan Kettering Cancer Center is not a known asserter.)
  3. Repeat correspondent across the chain — not present (Only one assignment is recorded, and no correspondent information is explicitly listed on the Google Patents record for this assignment.)
  4. Cascading transfers — not present (Only one assignment is recorded.)
  5. Pre-litigation transfer — not present (No litigation is recorded for this patent as of 2026-06-02, and the assignment date does not align with any pre-litigation window.)
  6. Bankruptcy fire-sale — not present (No indication of bankruptcy for Memorial Sloan Kettering Cancer Center.)
  7. Privateering — not present (No evidence of privateering activity.)
  8. Defensive aggregator (anti-NPE) — not present (The patent is currently assigned to Memorial Sloan Kettering Cancer Center, not a defensive aggregator.)

Verdict

Insufficient data (The only recorded assignment is from the inventor to the original assignee, Memorial Sloan Kettering Cancer Center, which is an operating entity. There are no other assignments or indications of NPE activity in the available records.)

Verification: https://assignmentcenter.uspto.gov/ (Search for patent number US12171593).

Generated 6/2/2026, 12:45:07 PM