Asserter profile

GENZYME CORPORATION

operating company7 patents now7 ever1 case filed during tenure3 connections

Also seen as: Genzyme Corporation

PTAB exposure

6of this entity’s patents have been challenged at PTAB (6 total proceedings). 1 currently have active 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
    Ngenzyme["GENZYME CORPORATION"]
    Navigen["Avigen, Inc."]
    No_riordan_catherine_burnham_brenda["O'RIORDAN, CATHERINE; BURNHAM, BRENDA"]
    Nliu_lin_zhang_kate_jin_xiaoying_o_riordan_catherine["LIU, LIN; ZHANG, KATE; JIN, XIAOYING; O…"]
    Nwright_john_fraser_qu_guang["WRIGHT, JOHN FRASER; QU, GUANG"]
    Nquang_qu_john_fraser_wright["Quang Qu; John Fraser Wright"]
    Nguang_qu_john_fraser_wright["Guang Qu; John Fraser Wright"]
    Ngenzyme -->|"2005 · Assignment · 7704721"| Navigen
    Navigen -->|"2016 · Assignment · 7704721"| Ngenzyme
    Navigen ==>|"⚖️ 2016 · Assignment · 9051542"| Ngenzyme
    No_riordan_catherine_burnham_brenda -->|"2023 · Assignment of Assignors Interest · 12031894"| Ngenzyme
    No_riordan_catherine_burnham_brenda -->|"2023 · Assignment · 12013326"| Ngenzyme
    Nliu_lin_zhang_kate_jin_xiaoying_o_riordan_catherine -->|"2017 · Assignment · 11698377"| Ngenzyme
    Nliu_lin_zhang_kate_jin_xiaoying_o_riordan_catherine -->|"2023 · Assignment of Assignors Interest · 12123880"| Ngenzyme
    Navigen -->|"2005 · Assignment · 6593123"| Ngenzyme
    Nwright_john_fraser_qu_guang -->|"2016 · Assignment · 9051542"| Navigen
    Nquang_qu_john_fraser_wright -->|"2000 · Assignment · 6593123"| Navigen
    Nguang_qu_john_fraser_wright -->|"2001 · Assignment · 6593123"| Navigen
    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 Ngenzyme focal
    class Navigen operating

Patents currently held (7)

Connected entities (3)

Correspondent attorneys (5)

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.