Asserter profile

DIGITAL KEYSTONE, INC.

operating company0 patents now1 ever0 cases filed during tenure2 connections

PTAB exposure

1of this entity’s patents have been challenged at PTAB (3 total proceedings).

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
    Ndigital_keystone["DIGITAL KEYSTONE, INC."]
    Nvideolabs["VideoLabs, Inc."]
    Nsiccardo_paolo_vantalon_luc["SICCARDO, PAOLO, VANTALON, LUC"]
    Noptis_wireless_technology["Optis Wireless Technology, LLC"]
    Nunwired_planet["Unwired Planet, Inc."]
    Noptis_cellular_technology["Optis Cellular Technology, LLC"]
    Nlough_corrib_intellectual_property["Lough Corrib Intellectual Property Limi…"]
    Nvl_ip["VL IP Holdings LLC"]
    Nsiemens_healthcare["SIEMENS HEALTHCARE GMBH"]
    Nhewlett_packard_enterprise_development_hewlett_packard_enter["HEWLETT PACKARD ENTERPRISE DEVELOPMENT…"]
    Ndigital_keystone ==>|"⚖️ 2023 · Assignment of Assignors Interest · 8667304"| Nvideolabs
    Nsiccardo_paolo_vantalon_luc -->|"2004 · ASSIGNMENT · 8291236"| Ndigital_keystone
    Ndigital_keystone ==>|"⚖️ 2023 · ASSIGNMENT · 8291236"| Nvideolabs
    Noptis_wireless_technology ==>|"⚖️ 2020 · Assignment of Assignors Interest · 7769238"| Nvideolabs
    Nunwired_planet -->|"2020 · Assignment of Assignors Interest · 7233790"| Nvideolabs
    Nunwired_planet -->|"2020 · Assignment · RE43113"| Nvideolabs
    Noptis_cellular_technology -->|"2020 · Assignment · 7525535"| Nvideolabs
    Noptis_wireless_technology ==>|"⚖️ 2020 · Assignment · 8139878"| Nvideolabs
    Nlough_corrib_intellectual_property -->|"2019 · Assignment · 7266682"| Nvideolabs
    Nvideolabs -->|"2019 · Assignment · 7266682"| Nvl_ip
    Nvideolabs -->|"2019 · Assignment · 7436980"| Nvl_ip
    Nsiemens_healthcare -->|"2022 · Assignment · 7436980"| Nvideolabs
    Nhewlett_packard_enterprise_development_hewlett_packard_enter -->|"2019 · Assignment · 6880156"| Nvideolabs
    Nvideolabs -->|"2019 · Assignment · 6880156"| Nvl_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 Ndigital_keystone focal
    class Nvideolabs npe
    class Noptis_wireless_technology npe
    class Nunwired_planet npe
    class Noptis_cellular_technology npe
    class Nlough_corrib_intellectual_property shell
    class Nvl_ip shell
    class Nsiemens_healthcare operating
    class Nhewlett_packard_enterprise_development_hewlett_packard_enter operating

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.