Asserter profile

Cetus Corporation

operating company0 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
    Ncetus["Cetus Corporation"]
    Nmullis_kary_b_erlich_henry_a_arnheim_norman_horn_glenn_t_sai["Mullis, Kary B.; Erlich, Henry A.; Arnh…"]
    Nhoffmann_la_roche["Hoffmann-La Roche, Inc."]
    Ndavid_h_gelfand_susanne_stoffel_frances_c_lawyer_randall_k_s["David H. Gelfand; Susanne Stoffel; Fran…"]
    Nroche_molecular_systems["Roche Molecular Systems, Inc."]
    Nmullis_kary_b_erlich_henry_a_arnheim_norman_horn_glenn_t_sai -->|"1986 · Assignment · 4683195"| Ncetus
    Ncetus ==>|"⚖️ 1991 · Assignment · 4683195"| Nhoffmann_la_roche
    Ndavid_h_gelfand_susanne_stoffel_frances_c_lawyer_randall_k_s -->|"1987 · Assignment · 4889818"| Ncetus
    Ncetus ==>|"⚖️ Assignment · 4889818"| Nhoffmann_la_roche
    Nhoffmann_la_roche -->|"1997 · Assignment · 4683195"| Nroche_molecular_systems
    Nhoffmann_la_roche ==>|"⚖️ Assignment · 4889818"| Nroche_molecular_systems
    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 Ncetus focal
    class Nhoffmann_la_roche operating
    class Nroche_molecular_systems operating

Patents currently held (1)

Patents previously held (1)

Connected entities (3)

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.