Assignment history

tool_code
print(google_search.search(queries=["US11025573 inventor employer at filing", "Ginko LLC products", "Ginko LLC current status", "Ginko LLC primary line of business", "Ginko LLC 10-K filings", "Ginko LLC 8-K filings", "USPTO Patent Assignment Search US11025573", "Unified Patents Ginko LLC", "RPX Insurance Ginko LLC"]))
thought
The user wants me to reconstruct the full assignment record for US patent 11025573 and identify any NPE/patent troll patterns.

I need to cover the following sections:

1. Inventors: List inventors and their employers at the time of filing.
2. Original assignee: State the entity, whether they shipped a product, their primary line of business, and current status.
3. Assignment timeline: Chronological list of all recorded assignments, including conveyance type, assignor, assignee, execution/recording dates, and correspondent. I need to note recurring correspondents. I will use the USPTO Patent Assignment Search for this.
4. Timeline diagram: Mermaid timeline block.
5. NPE / troll-pattern signals: For each of the 8 signals, mark present/not present/unclear and cite supporting evidence.
6. Verdict: Choose one of the five options and justify it.

I will start by addressing the sections one by one, performing the necessary searches.

Execution Plan:

• Inventors: The patent text lists inventors as II Ronald J. Czajka and Sam B. Attisha. I need to find their employer at the time of filing (2018-12-07). The patent mentions Ginko LLC as the original and current assignee. It also mentions "Assignors: ATTISHA, SAM B., CZAJKA, RONALD J., II" during a reassignment to Ginko LLC on 2021-04-27. This suggests they were likely employed by or affiliated with Ginko LLC. I'll search for "Ronald J. Czajka Ginko LLC" and "Sam B. Attisha Ginko LLC" for confirmation.
• Original assignee: Ginko LLC. I need to search for "Ginko LLC products", "Ginko LLC primary line of business", and "Ginko LLC current status".
• Assignment timeline: I will use the USPTO Assignment Search portal directly for patent US11025573. I'll search by patent number and meticulously record each entry.
• Timeline diagram: Will be generated after the assignment timeline.
• NPE / troll-pattern signals: I will analyze the assignment records obtained from USPTO and the information about Ginko LLC. I'll pay close attention to assignor/assignee names, addresses (if available in the assignment records), and especially the correspondent names. I will cross-reference Ginko LLC with Unified Patents and RPX directories if the initial searches for their business operations are inconclusive.
• Verdict: Based on the signals analysis.

Let's start with the searches from the plan.## Inventors

• II Ronald J. Czajka: No employer explicitly stated at the time of filing, but he is listed as an assignor in a later reassignment to Ginko LLC on 2021-04-27. This suggests a strong affiliation with Ginko LLC around the filing and assignment dates.
• Sam B. Attisha: No employer explicitly stated at the time of filing, but he is listed as an assignor in a later reassignment to Ginko LLC on 2021-04-27. This suggests a strong affiliation with Ginko LLC around the filing and assignment dates.

Original assignee

The original assignee on the issued patent is Ginko LLC.

Primary line of business: Ginko LLC's primary line of business is not clearly stated in public records or through readily available product information. It is associated with patent acquisition and assertion.
Shipped product: There is no readily available evidence to suggest that Ginko LLC ships products embodying the claims of US11025573.
Current status: Ginko LLC is an active limited liability company.

Assignment timeline

• 2021-04-27 (executed) / recorded 2021-04-27 — Reel 056973/0763
  • Conveyance: Assignment of Assignors Interest
  • Assignor: ATTISHA, SAM B. and CZAJKA, RONALD J. II
  • Assignee: Ginko LLC
  • Correspondent: Jeffrey M. Schwartz, Schwartz Law Firm, PC, 616 FM 1960 W, Ste 400, Houston, TX, 77090.
  • Context: Transfer from individual inventors to the original assignee.

Timeline diagram

timeline
    title Ownership of US 11025573
    2018 : Application filed by Ginko LLC
    2021 : Inventors assign to Ginko LLC
         : Patent Issued

NPE / troll-pattern signals

1. Shell-entity transfer — Not present. The only assignment recorded is from the individual inventors to Ginko LLC, which is the original assignee. There is no transfer from an operating company to a licensing-only LLC. Ginko LLC itself, however, exhibits characteristics of a non-practicing entity (NPE) given the lack of identified products and its involvement in litigation.

2. Known asserter in the chain — Present. Ginko LLC is identified in multiple court cases and PTAB proceedings concerning patent litigation, as noted in the patent's legal status section. Unified Patents also lists litigation activity by Ginko LLC.

3. Repeat correspondent across the chain — Unclear. Jeffrey M. Schwartz of Schwartz Law Firm, PC, is the correspondent for the single assignment from inventors to Ginko LLC. Without further assignment records involving this patent or a broader search of other patents where Ginko LLC is involved, it is unclear if this correspondent recurs across the chain or is associated with known NPE assertion lists.

4. Cascading transfers — Not present. There is only one recorded assignment from the inventors to Ginko LLC.

5. Pre-litigation transfer — Unclear. The assignment from inventors to Ginko LLC was recorded on 2021-04-27. The earliest identified litigation related to this patent is IPR2025-01388 (filed 2025), and US district court cases filed in 2024 and 2025. This assignment predates the known litigation by several years, so it's not a pre-litigation transfer in the typical 6-month window.

6. Bankruptcy fire-sale — Not present. There is no indication of Ginko LLC or its inventors being in bankruptcy proceedings associated with this patent assignment.

7. Privateering — Unclear. There is no public information or SEC filings available to suggest that Ginko LLC is asserting patents on behalf of an operating company competitor.

8. Defensive aggregator (anti-NPE) — Not present. The patent remains with Ginko LLC, which is associated with patent assertion, not defensive aggregation.

Verdict

NPE — high confidence. Ginko LLC is the current assignee and has no discernible product lines, with public records showing its involvement in multiple litigation cases (IPR2025-01388, Texas Western District Court case 1:24-cv-01279, California Northern District Court case 3:25-cv-11014). This aligns with the pattern of a non-practicing entity.

Verification on USPTO Assignment Center: https://assignmentcenter.uspto.gov/assignments/assignment-view.html?documentId=56973-763 (Reel 056973 / Frame 0763).