Asserter profile

CALLAHAN CELLULAR L.L.C.

NPE1 patents now2 ever0 cases filed during tenure3 connections

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
    Ncallahan_cellular_l_l_c["CALLAHAN CELLULAR L.L.C."]
    Nprotarius_filo_l_l_c["PROTARIUS FILO AG, L.L.C."]
    Nintellectual_ii["INTELLECTUAL VENTURES II LLC"]
    Ncaldvor_acquisitions["CALDVOR ACQUISITIONS LTD., LLC"]
    Nnewport_imaging["NEWPORT IMAGING CORPORATION"]
    Nchemtron_research["CHEMTRON RESEARCH LLC"]
    Nintellectual_fund_83["INTELLECTUAL VENTURES FUND 83 LLC"]
    Nintellectual_81["INTELLECTUAL VENTURES HOLDING 81 LLC"]
    Nwireless_technology_solutions["WIRELESS TECHNOLOGY SOLUTIONS LLC"]
    Nbluecurrent["BLUECURRENT, INC."]
    Nprotarius_filo_l_l_c -->|"2015 · MERGER · 7916180"| Ncallahan_cellular_l_l_c
    Ncallahan_cellular_l_l_c ==>|"⚖️ 2021 · ASSIGNMENT OF ASSIGNORS INTEREST · 7916180"| Nintellectual_ii
    Ncaldvor_acquisitions -->|"2015 · NUNC PRO TUNC ASSIGNMENT · 8266124"| Ncallahan_cellular_l_l_c
    Ncaldvor_acquisitions -->|"2017 · CORRECTIVE ASSIGNMENT · 8266124"| Ncallahan_cellular_l_l_c
    Nnewport_imaging -->|"2008 · ASSIGNMENT OF ASSIGNORS INTEREST · 7916180"| Nprotarius_filo_l_l_c
    Nchemtron_research -->|"2020 · Assignment · 8352584"| Nintellectual_ii
    Nintellectual_fund_83 -->|"2013 · Reassignment (Assignment of Assignors Interest) · 7260587"| Nintellectual_ii
    Nintellectual_81 -->|"2024 · Assignment of Assignors Interest · 8898395"| Nintellectual_ii
    Nintellectual_81 -->|"2016 · Assignment · 9706500"| Nintellectual_ii
    Nintellectual_ii -->|"2018 · Assignment · 9706500"| Nwireless_technology_solutions
    Nbluecurrent -->|"2008 · ASSIGNMENT OF ASSIGNORS INTEREST · 8266124"| Ncaldvor_acquisitions
    Nbluecurrent -->|"2017 · ASSIGNMENT OF ASSIGNORS INTEREST · 8266124"| Ncaldvor_acquisitions
    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 Ncallahan_cellular_l_l_c focal
    class Nintellectual_ii npe
    class Nnewport_imaging operating
    class Nchemtron_research npe
    class Nintellectual_fund_83 npe
    class Nintellectual_81 npe
    class Nwireless_technology_solutions shell
    class Nbluecurrent operating

Patents currently held (1)

Patents previously held (1)

Connected entities (3)

Correspondent attorneys (3)

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.