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.

Assignment history

Inventors

John Reger (Notrox LLC)

Original assignee

Notrox LLC is the original assignee named on the issued patent. The provided patent text does not contain information about whether Notrox LLC ships a product embodying the claims, its primary line of business, or its current status (operating, acquired, dissolved, in bankruptcy).

Assignment timeline

No assignment records were found for US Patent 11447993 on the USPTO Assignment Center. This indicates that the patent ownership likely remains with the original assignee, Notrox LLC.

Timeline diagram

timeline
    title Ownership of US 11447993
    2021 : Filed by Notrox LLC
    2022 : Issued to Notrox LLC

NPE / troll-pattern signals

Shell-entity transfer — not present. No transfers are recorded.
Known asserter in the chain — not present. No transfers are recorded.
Repeat correspondent across the chain — not present. No transfers are recorded.
Cascading transfers — not present. No transfers are recorded.
Pre-litigation transfer — not present. No transfers are recorded.
Bankruptcy fire-sale — not present. No transfers are recorded.
Privateering — not present. No transfers are recorded.
Defensive aggregator (anti-NPE) — not present. No transfers are recorded.

Verdict

Insufficient data. The absence of any recorded assignments on the USPTO Assignment Center means there is no information available to determine if the patent has been transferred to an NPE or any other entity.