COSINE COMMUNICATIONS, INC. — patent ownership profile

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
    Ncosine_communications["COSINE COMMUNICATIONS, INC."]
    Nabraham_r_matthews["ABRAHAM R MATTHEWS"]
    Nchih_tang_sun["CHIH-TANG SUN"]
    Nkiho_yum["KIHO YUM"]
    Nfortinet["FORTINET, INC."]
    Npalisade["PALISADE TECHNOLOGIES, LLP"]
    Nwoven_assignment_for_the_benefit_of_creditors["WOVEN (ASSIGNMENT FOR THE BENEFIT OF CR…"]
    Ndong_liang["DONG LIANG"]
    Nabraham_r_matthews -->|"2002 · Assignment · 8250357"| Ncosine_communications
    Nchih_tang_sun -->|"2002 · Assignment · 8250357"| Ncosine_communications
    Nkiho_yum -->|"2002 · Assignment · 8250357"| Ncosine_communications
    Ncosine_communications -->|"2006 · Assignment · 8250357"| Nfortinet
    Nfortinet -->|"2025 · Assignment · 8250357"| Npalisade
    Nwoven_assignment_for_the_benefit_of_creditors -->|"2009 · ASSIGNMENT · 7702742"| Nfortinet
    Nfortinet -->|"2025 · ASSIGNMENT · 7702742"| Npalisade
    Ndong_liang ==>|"⚖️ 2014 · Assignment · 9503421"| Nfortinet
    Nfortinet -->|"2025 · Assignment of Assignor's Interest · 9503421"| Npalisade
    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 Ncosine_communications focal
    class Nfortinet operating
    class Npalisade npe
    class Nwoven_assignment_for_the_benefit_of_creditors shell

Patents previously held (1)

US 82503572002-04-18 → 2006-07-13

Connected entities (4)

ABRAHAM R MATTHEWSindividual1 patent
CHIH-TANG SUNindividual1 patent
KIHO YUMindividual1 patent
FORTINET, INC.operating company1 patent

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)· BLAKELY, SOKOLOFF, TAYLOR & ZAFMAN3 appearances