Asserter profile

ST PORTFOLIO HOLDINGS, LLC

shell LLC0 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
    Nst_portfolio["ST PORTFOLIO HOLDINGS, LLC"]
    Nstaton_techiya["STATON TECHIYA, LLC"]
    Ncases2tech["CASES2TECH, LLC"]
    Ndm_station_family_partnership_assignee_of_staton_family_inve["DM STATION FAMILY LIMITED PARTNERSHIP,…"]
    Ndm_staton_family_partnership_assignee_of_staton_family_inves["DM STATON FAMILY LIMITED PARTNERSHIP, A…"]
    Nstaton_techiya -->|"2024 · Assignment · 8315400"| Nst_portfolio
    Nst_portfolio -->|"2024 · Assignment · 8315400"| Ncases2tech
    Ndm_station_family_partnership_assignee_of_staton_family_inve -->|"2017 · Assignment · 8315400"| Nstaton_techiya
    Ndm_staton_family_partnership_assignee_of_staton_family_inves -->|"2017 · Corrective Assignment · 8315400"| Nstaton_techiya
    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 Nst_portfolio focal
    class Nstaton_techiya npe
    class Ncases2tech npe
    class Ndm_station_family_partnership_assignee_of_staton_family_inve shell
    class Ndm_staton_family_partnership_assignee_of_staton_family_inves shell

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.