Patent 12313320

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

  • Corban I. Tillemann-Dick (Maybell Quantum Industries Inc.)
  • Kyle J. Thompson (Maybell Quantum Industries Inc.)
  • Bryan J. Choo (Maybell Quantum Industries Inc.)
  • John Ogando Dos Santos Allan (Maybell Quantum Industries Inc.)
  • Jonathan Michael Byars (Maybell Quantum Industries Inc.)

All inventors were associated with Maybell Quantum Industries Inc. at the time of filing, which is also the original assignee.

Original assignee

The original assignee named on the issued patent is Maybell Quantum Industries Inc. Maybell Quantum Industries Inc. develops and sells quantum computing hardware, specifically focusing on integrated dilution refrigerators for supporting quantum computing technologies and low-temperature condensed matter physics research. The patent abstract and description emphasize the development of compact, reliable, and easy-to-maintain dilution refrigerators that can be integrated with commercial server rack infrastructure. The company appears to be operating, as indicated by its active status on Google Patents and ongoing litigation (IPR2026-00291 and Delaware District Court case 1:25-cv-00949), suggesting active engagement with its patent portfolio.

Assignment timeline

I have searched the USPTO Assignment Center for US patent 12313320. As of today, 2026-05-29, the USPTO Patent Assignment Search database indicates no assignments have been recorded for US12313320 since its issuance. This means the ownership remains with the original assignee.

Timeline diagram

timeline
    title Ownership of US 12313320
    2022 : Filed by Maybell Quantum Industries Inc
    2025 : Issued to Maybell Quantum Industries Inc

NPE / troll-pattern signals

  1. Shell-entity transfer — Not present. There are no recorded transfers of ownership.
  2. Known asserter in the chain — Not present. There are no recorded transfers of ownership.
  3. Repeat correspondent across the chain — Not present. There are no recorded transfers of ownership, so no chain to compare.
  4. Cascading transfers — Not present. There are no recorded transfers of ownership.
  5. Pre-litigation transfer — Not present. There are no recorded transfers of ownership. The patent is involved in litigation, but there's no transfer recorded prior to it.
  6. Bankruptcy fire-sale — Not present. There are no recorded transfers of ownership.
  7. Privateering — Unclear. While Maybell Quantum Industries Inc. is an operating company, the absence of assignments means there's no direct evidence of privateering through patent transfers.
  8. Defensive aggregator (anti-NPE) — Not present. The patent is still held by the original operating company.

Verdict

Insufficient data. As there are no recorded assignments for US12313320 in the USPTO Assignment Center, it indicates that the patent ownership remains with the original assignee, Maybell Quantum Industries Inc., an operating company. Therefore, there is no assignment chain to analyze for NPE/patent-troll patterns.

(Verification: https://assignmentcenter.uspto.gov/)

Generated 5/29/2026, 5:46:45 PM