Patent 11950105

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. 2023-12-07 · reel 064375/0935 · ASSIGNMENT

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

    Correspondent: · BLANK ROME

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

  • Sai C. Manapragada. The patent text does not explicitly state the inventor's employer at the time of filing, but the sole assignment recorded is from Sai C. Manapragada to Xifi Networks R & D Inc. on the filing date of the application, suggesting an employment relationship or a pre-filing assignment agreement.

Original assignee

Xifi Networks R and D Inc. is the original assignee named on the issued patent US11950105. The patent describes a "wireless networking system" and mentions its potential employment in various electronic devices like "wireless access points, base stations, handhelds, tablets, computers, telephones, televisions, DVD players, BluRay players, media players, storage devices, or any such devices that use wireless networks to send and receive data including stand-alone add-on devices such as “dongles” that serve as wireless interfaces between devices" (Description,,). While this suggests the company is involved in developing or licensing technology for such products, the provided patent text does not explicitly state that Xifi Networks R and D Inc. itself ships a product embodying the claims. The company's primary line of business, as described in the patent, relates to "wireless networks, and more specifically to high-bandwidth wireless networks for distributing multi-media content" (Description,). The current status of Xifi Networks R and D Inc. is "Active" according to Google Patents, and they are identified as the assignee involved in ongoing litigation related to this patent.

Assignment timeline

  • 2023-12-07 (executed) / recorded 2023-12-07 — Reel 064375/0935
    • Conveyance: ASSIGNMENT
    • Assignor: MANAPRAGADA, SAI C.
    • Assignee: XIFI NETWORKS R & D INC.
    • Correspondent: BLANK ROME LLP, 1825 EYE STREET, NW, WASHINGTON, DISTRICT OF COLUMBIA 20006.
    • Context: Transfer of inventorship rights from the individual inventor to the corporate entity, likely the original filing assignee.

Timeline diagram

timeline
    title Ownership of US 11950105
    2013 : Priority date
    2023 : Application filed by Xifi Networks R&D Inc
         : Assigned from Manapragada to Xifi Networks
    2024 : Patent Issued
         : US litigation 2:24-cv-01057 filed
    2025 : PTAB IPR2025-01206 filed

NPE / troll-pattern signals

  1. Shell-entity transferNot present. The only recorded assignment is a standard transfer from the individual inventor, Sai C. Manapragada, to Xifi Networks R & D Inc. on the application's filing date (2023-12-07, Reel 064375/0935). Xifi Networks R & D Inc. is listed as the original and current assignee and is actively involved in litigation concerning this patent.
  2. Known asserter in the chainNot present. Xifi Networks R & D Inc. does not appear on the provided list of known NPEs.
  3. Repeat correspondent across the chainNot present. There is only one recorded assignment for this patent (Reel 064375/0935), so the correspondent, BLANK ROME LLP, does not recur within this specific chain.
  4. Cascading transfersNot present. Only one assignment is recorded (Reel 064375/0935).
  5. Pre-litigation transferUnclear. The assignment from the inventor to Xifi Networks R & D Inc. was executed and recorded on 2023-12-07 (Reel 064375/0935), which is the filing date of the patent application. The US case filed in Texas Eastern District Court (2:24-cv-01057) implies a 2024 filing, after the assignment. While the timing could be close to the first litigation, this was an initial assignment from the inventor to the company, rather than a strategic transfer to a separate entity immediately preceding litigation.
  6. Bankruptcy fire-saleNot present. No information in the provided patent text or legal event data suggests a bankruptcy-related transfer.
  7. PrivateeringUnclear. No information in the provided patent text or legal event data suggests privateering.
  8. Defensive aggregator (anti-NPE)Not present. The current assignee, Xifi Networks R & D Inc., is not a known defensive aggregator.

Verdict

Operating-company assertion

Justification: The only recorded assignment for US patent 11950105 is the initial transfer of inventorship rights from Sai C. Manapragada to Xifi Networks R & D Inc. on the application filing date of December 7, 2023 (Reel 064375/0935). Xifi Networks R & D Inc. is the original assignee and is actively asserting this patent in district court litigation (e.g., 2:24-cv-01057 filed in 2024), consistent with an operating company enforcing its intellectual property.

Link to USPTO Assignment Center search page: https://assignmentcenter.uspto.gov/patent/search?patentNumber=11950105

Generated 5/19/2026, 6:46:31 AM