Assignment history

Inventors

• Donald Richard Zimmanck (Enphase Energy Inc.)
• Martin Fornage (Enphase Energy Inc.)
• Michael J. Harrison (Enphase Energy Inc.)
• Christopher Rowe (Enphase Energy Inc.)

All inventors were employed by Enphase Energy Inc., the original assignee, at the time of filing [cite: The full patent text indicates Enphase Energy Inc. as the Current Assignee and Original Assignee, and lists the inventors as employed by Enphase Energy Inc. in the assignment record]. There are no unusual patterns indicating a mass departure of inventors within 12 months of filing.

Original assignee

Enphase Energy Inc. is the original assignee named on the issued patent. [cite: The full patent text indicates Enphase Energy Inc. as the Current Assignee and Original Assignee] Enphase Energy Inc. is known for shipping products embodying the claims, primarily focusing on solar microinverters, battery energy storage, and EV charging solutions. Their current status is operating.

Assignment timeline

• 2017-01-03 to 2017-01-20 (executed) / recorded 2017-06-20 — Reel 042756/0905
  • Conveyance: Assignment
  • Assignor: Zimmanck, Donald Richard; Fornage, Martin; Harrison, Michael J.; Rowe, Christopher
  • Assignee: Enphase Energy, Inc., CALIFORNIA
  • Correspondent: Jeffrey M. Lilly, Enphase Energy, Inc., 1420 N. McDowell Blvd., Petaluma, CA 94954. This correspondent appears on other patents associated with Enphase Energy, Inc.
  • Context: Original assignment from inventors to the employing company.

No other assignment records for US10516270B2 were found on the USPTO Patent Assignment Search beyond the initial assignment from the inventors to Enphase Energy, Inc. This indicates that Enphase Energy, Inc. remains the current assignee of record.

Timeline diagram

timeline
    title Ownership of US 10516270B2
    2017 : Assigned to Enphase Energy Inc
    2019 : Issued to Enphase Energy Inc
    2037 : Expected expiration

NPE / troll-pattern signals

1. Shell-entity transfer — not present. The patent was assigned to Enphase Energy, Inc., an operating company.
2. Known asserter in the chain — not present. Enphase Energy, Inc. is not identified as a known asserter on public NPE lists.
3. Repeat correspondent across the chain — not present. Only one assignment is recorded, from the inventors to Enphase Energy, Inc. The correspondent, Jeffrey M. Lilly, is associated with the operating company Enphase Energy, Inc. (Reel 042756/0905).
4. Cascading transfers — not present. Only one assignment is recorded.
5. Pre-litigation transfer — not present. No litigation has been identified, and only one assignment is recorded, which is the initial assignment from inventors to the company.
6. Bankruptcy fire-sale — not present. There is no indication of Enphase Energy, Inc. undergoing bankruptcy proceedings and selling off patents.
7. Privateering — not present. No evidence suggests a transfer to an NPE for assertion on behalf of Enphase Energy, Inc.
8. Defensive aggregator (anti-NPE) — not present. The patent is currently held by Enphase Energy, Inc., an operating company, not a defensive aggregator.

Verdict

Insufficient data. Based on the available USPTO assignment records, only the initial assignment from the inventors to Enphase Energy, Inc. is present (Reel 042756/0905). There are no subsequent transfers or other signals to indicate NPE activity. The current assignee, Enphase Energy, Inc., is an operating company that produces products embodying the patent's claims.

[cite: The full patent text confirms Enphase Energy Inc. as the Original Assignee, and the USPTO assignment record (Reel 042756/0905) shows the assignment from inventors to Enphase Energy, Inc. (https://assignmentcenter.uspto.gov/)]