Patent 12169756

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 (1)

Asserters network →

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

  1. 2024-08-08 · reel 059940/017 · Assignment of Assignors Interest

    MANAPRAGADA, SAI C., MR.XIFI NETWORKS R&D INC.

    Correspondent: · HESLIN ROTHENBERG FARLEY & MESITI

    Inventor assigned rights to the original assignee

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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Inventors

  • Sai C. Manapragada: The patent lists Sai C. Manapragada as the inventor. The patent does not explicitly state his employer at the time of filing. However, the original assignee is Xifi Networks R and D Inc. Usually, employees assign their inventions to their employers, especially in employment agreements.

Original assignee

The original assignee named on the issued patent is Xifi Networks R and D Inc..

Xifi Networks R and D Inc. is a wireless technology, product, and solutions company with R&D expertise in wireless networking. They focus on providing high-bandwidth wireless networks for distributing multi-media content and developing solutions for large-scale deployments of Wi-Fi hotspots. They have developed products like XSTUMP™ AC3800 and XTEND™ AC3800. The company has a presence in the US (San Francisco, Houston), India (Mumbai, Noida, Hyderabad), and Singapore.

As of the current date, Xifi Networks R and D Inc. appears to be an operating company. Their website is active, lists products, solutions, and ongoing projects, and they are described as "among the few lone standing independent WiFi Solutions and Products Provider with R&D expertise in the world." They are also noted as pioneers and chief architects of the PM-WANI framework in India.

Assignment timeline

The USPTO Assignment Center shows one recorded assignment for US12169756.

  • 2024-08-08 (executed) / recorded 2024-08-08 — Reel 059940/017
    • Conveyance: Assignment of Assignors Interest
    • Assignor: MANAPRAGADA, SAI C., MR.
    • Assignee: XIFI NETWORKS R&D INC.
    • Correspondent: HESLIN ROTHENBERG FARLEY & MESITI P.C., 5 COLUMBIA CIRCLE, ALBANY, NEW YORK 12203-5180.
    • Context: Inventor assigned rights to the original assignee.

Timeline diagram

timeline
    title Ownership of US12169756
    2013 : Priority Date
    2024 : Filed by Xifi Networks R and D Inc
    2024 : Issued
    2024 : Inventor assigned to Xifi Networks R&D

NPE / troll-pattern signals

  1. Shell-entity transfer — not present. The sole assignment is from the inventor to the operating company, Xifi Networks R&D Inc., which actively develops and markets wireless networking products and solutions.
  2. Known asserter in the chain — not present. Xifi Networks R&D Inc. does not appear on public NPE lists.
  3. Repeat correspondent across the chain — not present. There is only one recorded assignment for this patent, and thus no recurrence to observe within this specific chain.
  4. Cascading transfers — not present. Only one assignment is recorded.
  5. Pre-litigation transfer — unclear. Without knowledge of any litigation involving this specific patent, it is not possible to determine if the assignment preceded a lawsuit.
  6. Bankruptcy fire-sale — not present. Xifi Networks R and D Inc. appears to be an active operating company.
  7. Privateering — not present. The patent is currently held by an operating company that appears to commercialize its own technology.
  8. Defensive aggregator (anti-NPE) — not present. The current assignee is Xifi Networks R and D Inc., not a known defensive aggregator.

Verdict

Insufficient data. Only one assignment is recorded, from the inventor to the original assignee (an operating company). This single record does not provide sufficient information to identify any NPE or patent-troll patterns. The company itself appears to be an active developer and provider of wireless networking products and solutions.

USPTO Assignment Center search page: https://assignmentcenter.uspto.gov/

Generated 5/20/2026, 6:45:36 PM