Asserter profile

VISTRA LIMITED

unclassified0 patents now1 ever0 cases filed during tenure2 connections

PTAB exposure

1of this entity’s patents have been challenged at PTAB (1 total proceeding).

Two-hop network

Edges marked ⚖️ overlap with at least one infringement suit filed during the receiving entity’s tenure with the patent. Bold-bordered = this entity. Red = NPE; orange = shell LLC; green = defensive aggregator; blue = operating company.

flowchart LR
    Nvistra["VISTRA LIMITED"]
    Ngraham_merrett["Graham Merrett"]
    Nrembrandt_messaging["REMBRANDT MESSAGING TECHNOLOGIES, L.P."]
    Nhbcu_messaging_ip["HBCU MESSAGING IP LLC"]
    Nhbcu_messaging_us["HBCU MESSAGING US LP"]
    Ngraham_merrett -->|"2009 · Assignment of assignor's interest · 11991601"| Nvistra
    Nvistra -->|"2009 · Assignment of assignor's interest · 11991601"| Nrembrandt_messaging
    Nvistra -->|"2014 · Nunc Pro Tunc Assignment · 11991601"| Nrembrandt_messaging
    Nrembrandt_messaging -->|"2020 · Assignment · 11991600"| Nhbcu_messaging_ip
    Nrembrandt_messaging -->|"2020 · Correction · 11991600"| Nhbcu_messaging_us
    classDef focal fill:#fef3c7,stroke:#92400e,stroke-width:3px,color:#1c1917
    classDef npe fill:#fee2e2,stroke:#be123c,stroke-width:2px,color:#1c1917
    classDef shell fill:#fed7aa,stroke:#9a3412,stroke-width:2px,color:#1c1917
    classDef defensive fill:#dcfce7,stroke:#15803d,stroke-width:2px,color:#1c1917
    classDef operating fill:#e0f2fe,stroke:#075985,stroke-width:1px,color:#1c1917
    class Nvistra focal
    class Nrembrandt_messaging npe
    class Nhbcu_messaging_ip npe
    class Nhbcu_messaging_us npe

Patents previously held (1)

Connected entities (2)

Correspondent attorneys (1)

Attorneys / firms recorded with USPTO when this entity received a patent. Recurrence is the signal — many firms do both NPE and operating-company patent work, so a single appearance doesn’t mean much.

  • (no name)· KNOBBE MARTENS OLSON & BEAR1 appearance