Patent 9215275

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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Ownership chain (3)

Asserters network →

Structured records extracted from the assignment-history narrative below. Each entity links to its full ownership-network profile.

  1. 2010-09-30 · reel 025827/0458 · Assignment

    CHEN, LEE, JALAN, RAJKUMAR, KANNAN, LALGUDI NARAYANAN, SZETO, RONALD WAI LUN, XU, FEILONGA10 NETWORKS, INC.

    Correspondent: Jeffrey C. Chang · A10 Networks

    Original assignment from inventors to company

  2. 2013-08-22 · recorded 2013-09-11 · reel 030589/0329 · Assignment

    A10 NETWORKS, INC.A10 NETWORKS, INC.

    Correspondent: Jeffrey C. Chang · A10 Networks

    internal reorg

  3. 2013-09-30 · recorded 2013-10-18 · reel 030792/0971 · Security Interest

    A10 NETWORKS, INC.ROYAL BANK OF CANADA, AS COLLATERAL AGENT

    Correspondent: D. Ted Kennedy · Shearman & Sterling

    securitization

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

  • Lalgudi Narayanan KANNAN (A10 Networks Inc)
  • Ronald Wai Lun Szeto (A10 Networks Inc)
  • Lee Chen (A10 Networks Inc)
  • Feilong Xu (A10 Networks Inc)
  • Rajkumar Jalan (A10 Networks Inc)

No unusual patterns observed regarding inventor departure from the original assignee.

Original assignee

A10 Networks Inc. The company develops and sells application delivery controllers (ADCs), which are used for load balancing, application acceleration, and security. They ship products embodying the claims, specifically their AX-Series traffic managers are mentioned in the patent. A10 Networks Inc is currently operating.

Assignment timeline

  • 2010-09-30 (executed) / recorded 2010-09-30 — Reel 025827/0458
    • Conveyance: Assignment
    • Assignor: CHEN, LEE, JALAN, RAJKUMAR, KANNAN, LALGUDI NARAYANAN, SZETO, RONALD WAI LUN, XU, FEILONG (inventors)
    • Assignee: A10 NETWORKS, INC.
    • Correspondent: Jeffrey C. Chang, A10 Networks, Inc., 2300 Orchard Parkway, San Jose, CA 95131
    • Context: Original assignment from inventors to company.
  • 2013-08-22 (executed) / recorded 2013-09-11 — Reel 030589/0329
    • Conveyance: Assignment
    • Assignor: A10 NETWORKS, INC.
    • Assignee: A10 NETWORKS, INC.
    • Correspondent: Jeffrey C. Chang, A10 Networks, Inc., 2300 Orchard Parkway, San Jose, CA 95131. This correspondent recurs in this chain.
    • Context: Change of address/internal reorg.
  • 2013-09-30 (executed) / recorded 2013-10-18 — Reel 030792/0971
    • Conveyance: Security Interest
    • Assignor: A10 NETWORKS, INC.
    • Assignee: ROYAL BANK OF CANADA, AS COLLATERAL AGENT
    • Correspondent: D. Ted Kennedy, Shearman & Sterling LLP, 525 Market St., Suite 2200, San Francisco, CA 94105
    • Context: Securitization (patent used as collateral for a loan).

Timeline diagram

timeline
    title Ownership of US 9215275
    2010 : Filed by A10 Networks Inc
    2013 : A10 Networks Inc address change
         : Security interest Royal Bank of Canada
    2015 : Issued

NPE / troll-pattern signals

  1. Shell-entity transfer — Not present. The patent has remained with A10 Networks Inc., an operating company.
  2. Known asserter in the chain — Not present. No known NPEs are present in the assignment chain.
  3. Repeat correspondent across the chain — Present. Jeffrey C. Chang of A10 Networks, Inc. is listed as the correspondent on two assignments (Reel 025827/0458 and Reel 030589/0329).
  4. Cascading transfers — Not present. There are only two assignments recorded by A10 Networks Inc itself, with a gap of approximately 3 years, not within 24 months. The third record is a security interest.
  5. Pre-litigation transfer — Unclear. Without litigation data, it is not possible to determine if any assignments preceded litigation.
  6. Bankruptcy fire-sale — Not present. A10 Networks Inc. is currently operating.
  7. Privateering — Not present. The patent is still held by A10 Networks Inc.
  8. Defensive aggregator (anti-NPE) — Not present. The patent is not currently assigned to a defensive aggregator.

Verdict

Operating-company assertion

The patent is currently owned by A10 Networks Inc., an operating company that produces products embodying the claimed invention. The assignments recorded are consistent with initial inventor assignment to the company, an internal reorganization, and a security interest for financing, not with transfers to shell entities for assertion purposes.

USPTO Assignment Center search for US9215275: https://assignmentcenter.uspto.gov/#!/patent/9215275

Generated 5/29/2026, 8:58:03 PM