Assignment history

Inventors

• Stephen E. Delaporte - At the time of filing, Stephen E. Delaporte was the inventor and assigned his interest to Lepton Computing LLC. The patent record shows an assignment from Stephen E. Delaporte to Lepton Computing LLC recorded on March 18, 2021.

Original assignee

The entity named on the issued patent is Lepton Computing LLC.
Lepton Computing LLC appears to be a patent holding or licensing entity. There is no readily available public information to suggest that Lepton Computing LLC ships products embodying the claims of US11048300, nor is there clear information on their primary line of business beyond patent ownership and licensing. Its current status is active, based on the legal status of the patent.

Assignment timeline

• 2021-03-18 (executed) / recorded 2021-03-18 — Reel 056461/0002
  • Conveyance: Assignment
  • Assignor: Delaporte, Stephen E.
  • Assignee: Lepton Computing LLC
  • Correspondent: Jeffrey B. Sladkus, Jeff Sladkus Consulting, P.C., PO Box 515810, Dallas, TX 75251.
  • Context: Transfer of inventor's interest to current assignee.

Timeline diagram

timeline
    title Ownership of US 11048300
    2010 : Priority date
    2021 : Application filed by Lepton Computing LLC
    2021 : Inventor assigned to Lepton Computing LLC
    2021 : Patent granted
    2021 : Publication of US11048300B2

NPE / troll-pattern signals

1. Shell-entity transfer — Present. The original assignee, Lepton Computing LLC, does not appear to have commercial products embodying the claims, and the assignment record indicates the inventor assigned their rights to this LLC. The nature of "Lepton Computing LLC" without public product lines or extensive operational details is consistent with a licensing-only entity. The correspondent's address is a P.O. Box in Dallas, TX, which is common for such entities.
2. Known asserter in the chain — Unclear. Lepton Computing LLC is not explicitly listed on widely known public NPE lists such as those maintained by RPX or Unified Patents, based on available search results. However, the company's profile suggests patent monetization as its primary activity.
3. Repeat correspondent across the chain — Unclear. Jeffrey B. Sladkus of Jeff Sladkus Consulting, P.C., is the correspondent on the initial assignment from the inventor to Lepton Computing LLC (Reel 056461/0002). While this is the only assignment in this patent's chain, without broader data on other patents handled by this correspondent, it is unclear if this represents a "repeat correspondent across the chain" in the context of a family of NPEs.
4. Cascading transfers — Not present. There is only one recorded assignment in the chain for this patent, from the inventor to the assignee, and no multiple consecutive transfers within a short period.
5. Pre-litigation transfer — Not present. As per the litigation summary, no litigation involving US11048300 has been identified.
6. Bankruptcy fire-sale — Not present. There is no indication in the patent record or public information that the assignment originated from a bankruptcy proceeding.
7. Privateering — Unclear. There is no public information to suggest that Lepton Computing LLC is asserting this patent on behalf of an operating company competitor.
8. Defensive aggregator (anti-NPE) — Not present. The current assignee, Lepton Computing LLC, is not a known defensive aggregator.

Verdict

NPE — moderate confidence. While there is only one recorded assignment, the nature of the assignee, Lepton Computing LLC, appears to be consistent with a shell entity, given the lack of public product information and its designation as an "Original Assignee" shortly before patent grant. The correspondent's mailing address (P.O. Box) also aligns with patterns seen in NPE operations. This suggests the patent was acquired by Lepton Computing LLC for potential licensing or assertion purposes.

For verification, see the USPTO Patent Assignment Search for US11048300: https://assignmentcenter.uspto.gov/