Patent 11041020

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.

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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

  • Diane D. Harrison (Janssen Biotech Inc)
  • Elizabeth C. Hsia (Janssen Biotech Inc)
  • Lee-Lian Kim (Janssen Biotech Inc)
  • Kim Hung Lo (Janssen Biotech Inc)

No unusual patterns observed regarding inventors' departure from the original assignee.

Original assignee

Janssen Biotech Inc. is the entity named on the issued patent. Janssen Biotech Inc. is a pharmaceutical company that develops and markets biological therapeutics. They ship products embodying the claims, specifically in the area of immunology and autoimmune diseases. Janssen Biotech Inc. is currently operating as a subsidiary of Johnson & Johnson.

Assignment timeline

No assignment records were found for US11041020 on the USPTO Patent Assignment Search database.

Timeline diagram

timeline
    title Ownership of US 11041020
    2019 : Filed by Janssen Biotech Inc
    2021 : Issued to Janssen Biotech Inc

NPE / troll-pattern signals

  1. Shell-entity transfer — not present
  2. Known asserter in the chain — not present
  3. Repeat correspondent across the chain — not present (no assignment records)
  4. Cascading transfers — not present (no assignment records)
  5. Pre-litigation transfer — unclear (no assignment records, litigation status is known to be present, but the transfer date is unknown, therefore it is unclear if there was pre-litigation transfer.)
  6. Bankruptcy fire-sale — not present
  7. Privateering — not present
  8. Defensive aggregator (anti-NPE) — not present

Verdict

Insufficient data. There are no recorded assignments for US11041020 on the USPTO Assignment Center, making it impossible to reconstruct an ownership chain or identify any NPE/troll patterns from assignment records. The patent is currently assigned to Janssen Biotech Inc. as the original assignee.

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

Generated 5/29/2026, 5:52:50 PM