Assignment history

Inventors

• Sai C. Manapragada: Employer at the time of filing is Xifi Networks R and D Inc., as the patent was assigned from the inventor to the company on September 21, 2023, one day after the patent's filing date.

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 that develops and commercializes patented technology for deploying Wi-Fi hotspots. They offer products such as "XSTUMP™ AC3800" and "XTEND™ AC3800". Their primary line of business involves providing wireless broadband solutions, enhancing Wi-Fi performance, coverage, and speed, and pioneering public Wi-Fi access initiatives like India's PM-WANI. They have operations in the US, India, and Singapore. Based on their active website and stated business activities, Xifi Networks R and D Inc. appears to be an operating company.

Assignment timeline

• 2023-09-21 (executed) / recorded 2023-09-21 — Reel 062638/0091
  • Conveyance: Assignment
  • Assignor: MANAPRAGADA, SAI C.
  • Assignee: XIFI NETWORKS R&D INC.
  • Correspondent: D'AMICO, STEVEN A. (D'AMICO & PETERSEN) - PO BOX 1276, CARMEL VALLEY, CA 93924. This correspondent appears once in this chain.
  • Context: Transfer of inventor's interest to the corporate entity.

Timeline diagram

timeline
    title Ownership of US 11974143
    2023 : Filed and assigned to Xifi Networks
    2024 : Issued

NPE / troll-pattern signals

1. Shell-entity transfer — Not present. The only recorded assignment is from the individual inventor to Xifi Networks R&D Inc., which appears to be an operating company based on its detailed website and product descriptions.
2. Known asserter in the chain — Not present. Xifi Networks R&D Inc. is not a known NPE, and no transfers to such entities are recorded.
3. Repeat correspondent across the chain — Not present. The correspondent, D'AMICO, STEVEN A. (D'AMICO & PETERSEN), appears only once in the recorded assignment chain for this patent.
4. Cascading transfers — Not present. There is only one assignment recorded for this patent.
5. Pre-litigation transfer — Unclear. While litigation is pending (IPR2025-01208 and a US case in Texas Eastern District Court), the only assignment (2023-09-21, Reel 062638/0091) predates the patent's issue date (2024-04-30) and the filing of these cases (IPR filed in 2025, Texas case 2:24-cv-01057 filed in 2024). This assignment is a standard inventor-to-company transfer and not indicative of a pre-litigation transfer to an asserting entity.
6. Bankruptcy fire-sale — Not present. No evidence of bankruptcy proceedings for Xifi Networks R&D Inc.
7. Privateering — Not present. There is no indication of Xifi Networks R&D Inc. using an NPE to assert on its behalf against competitors.
8. Defensive aggregator (anti-NPE) — Not present. The patent is not currently assigned to any known defensive aggregator.

Verdict

Operating-company assertion

The patent is currently owned by Xifi Networks R and D Inc., which describes itself as a wireless technology, product, and solutions company actively developing and deploying Wi-Fi hotspots and related products. The sole assignment on record (Reel 062638/0091, recorded 2023-09-21) is a standard transfer from the inventor to this operating company. The current litigation (IPR2025-01208 and Texas Eastern District Court case 2:24-cv-01057) thus appears to be an assertion by an operating company, likely protecting its commercial interests.

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