Patent 9578092

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. 2016-10-19 · recorded 2017-01-20 · reel 039750/0113 · ASSIGNMENT OF ASSIGNORS INTEREST

    CHATURVEDI, SIVAKUMAR; GUNDABATHULA, SATISH; HIREMATH, RASHMIDAMAKA, INC.

    Correspondent: Robert E Alvis · Robert E Alvis

    Transfer of inventor 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

  • Sivakumar Chaturvedi: At the time of filing (October 19, 2016), Sivakumar Chaturvedi was a co-founder and CEO of Damaka Inc..
  • Satish Gundabathula: At the time of filing, Satish Gundabathula was the CTO of Damaka Inc..
  • Rashmi Hiremath: Employer at time of filing not explicitly stated in the provided snippets. However, all inventors assigned their interest to Damaka Inc. on the filing date [cite: Reel 039750/0113].

Original assignee

The original assignee on the issued patent US9578092 is Damaka Inc. [cite: Reel 039750/0113].

Damaka Inc. is an operating company in the secure communication solutions industry, providing mobile unified communication and collaboration (UCC) solutions for enterprises. Their products include Collaboration SDKs, Triton, Moca, Nirvana, VCare, Amadeo, Kalisto, and Pacem, which offer features like mobile video conferencing, voice, video, instant messaging, and file transfer. The patent itself references an "Amadeo block" in its header example, and Damaka launched the "Amadeo UCC product suite" offering capabilities directly embodying the claims of the patent, such as secure, real-time mobile video calling and collaboration solutions on various mobile platforms.

Damaka Inc. is currently active and operating. It is also actively engaged in patent litigation, having filed separate Eastern District of Texas complaints against Cisco (2:25-cv-00593) and The Cigna Group (2:25-cv-00594), asserting this patent (US9578092) and others against their respective products.

Assignment timeline

  • 2016-10-19 (executed) / recorded 2017-01-20 — Reel 039750/0113
    • Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST
    • Assignor: CHATURVEDI, SIVAKUMAR; GUNDABATHULA, SATISH; HIREMATH, RASHMI
    • Assignee: DAMAKA, INC.
    • Correspondent: ROBERT E ALVIS P A, 10424 HURST ST, CORPUS CHRISTI, TX 78410.
    • Context: Transfer of inventor rights to the original assignee.

The USPTO Assignment Center has no other recorded assignments for US Patent 9578092.

Timeline diagram

timeline
    title Ownership of US 9578092
    2016 : Inventors assigned to Damaka Inc
    2017 : Patent Issued
    2025 : Damaka Inc filed suit vs Cisco & Cigna

NPE / troll-pattern signals

  1. Shell-entity transfer — not present. The sole assignment is from the inventors to Damaka Inc., which is an operating company with products in the market [cite: 1, 3, Reel 039750/0113].
  2. Known asserter in the chain — not present. Damaka Inc. is the original and current assignee and is not listed as a known NPE/asserter in the provided information. However, RPX and PacerMonitor indicate Damaka Inc. has initiated patent infringement lawsuits against Cisco and Cigna, suggesting assertion activity.
  3. Repeat correspondent across the chain — not present. Only one assignment is recorded, so no recurrence can be observed [cite: Reel 039750/0113]. The correspondent, Robert E Alvis P A, appears once for this patent.
  4. Cascading transfers — not present. Only one assignment is recorded [cite: Reel 039750/0113].
  5. Pre-litigation transfer — unclear. The patent was issued in February 2017, and the first litigation against Cisco and Cigna was filed in May 2025. There are no post-issuance assignments recorded on the USPTO Assignment Center [cite: Reel 039750/0113].
  6. Bankruptcy fire-sale — not present. Damaka Inc. appears to be an active operating company.
  7. Privateering — unclear. While Damaka Inc. is asserting patents, there is no evidence to suggest it's doing so on behalf of another operating company.
  8. Defensive aggregator (anti-NPE) — not present. The patent remains with Damaka Inc. [cite: Reel 039750/0113].

Verdict

Operating-company assertion.
The patent's ownership chain shows the inventors assigning their rights directly to Damaka Inc., which is an active operating company that develops and markets unified communication and collaboration software [cite: 1, 3, Reel 039750/0113]. There are no subsequent assignments to shell entities or known patent aggregators. Damaka Inc. is documented as actively asserting this patent in litigation against other companies, such as Cisco and Cigna, for alleged infringement by their products.

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

Generated 5/28/2026, 6:46:51 AM