Asserter profile

COMERICA BANK, A TEXAS BANKING ASSOCIATION

operating company0 patents now1 ever0 cases filed during tenure1 connections

PTAB exposure

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

Final written decisions are public record. The invalidation grounds usually carry over as § 102 / § 103 ammunition in district court — see IPR estoppel.

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
    Ncomerica_bank_a_texas_banking_association["COMERICA BANK, A TEXAS BANKING ASSOCIAT…"]
    Nicharts["ICHARTS, INC."]
    Nduncker_seymour_montgomery_tyron["DUNCKER, SEYMOUR; MONTGOMERY, TYRON"]
    Ncomerica_bank["Comerica Bank"]
    Nichasoco["ICHASOCO LLC"]
    Nbr_ip["BR IP Ventures, LP"]
    Nicharts -->|"2013 · Security Agreement · 8271892"| Ncomerica_bank_a_texas_banking_association
    Nduncker_seymour_montgomery_tyron -->|"2008 · Assignment · 8271892"| Nicharts
    Ncomerica_bank -->|"2014 · Release · 8271892"| Nicharts
    Nduncker_seymour_montgomery_tyron -->|"2015 · Assignment · 8271892"| Nicharts
    Nicharts -->|"2021 · Assignment · 8271892"| Nichasoco
    Nichasoco -->|"2021 · Assignment · 8271892"| Nicharts
    Nicharts -->|"2023 · Security Interest · 8271892"| Nbr_ip
    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 Ncomerica_bank_a_texas_banking_association focal
    class Nicharts shell
    class Ncomerica_bank operating
    class Nichasoco shell
    class Nbr_ip shell

Patents previously held (1)

Connected entities (1)

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.