Asserter profile
Avigen, Inc.
operating company0 patents now3 ever0 cases filed during tenure4 connections
Also seen as: AVIGEN, INC. · AVIGEN INC
PTAB exposure
2of this entity’s patents have been challenged at PTAB (2 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
Navigen["Avigen, Inc."]
Ngenzyme["GENZYME CORPORATION"]
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"]
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…"]
Ngenzyme -->|"2005 · Assignment · 7704721"| Navigen
Navigen -->|"2016 · Assignment · 7704721"| Ngenzyme
Nwright_john_fraser_qu_guang -->|"2016 · Assignment · 9051542"| Navigen
Navigen ==>|"⚖️ 2016 · Assignment · 9051542"| Ngenzyme
Nquang_qu_john_fraser_wright -->|"2000 · Assignment · 6593123"| Navigen
Nguang_qu_john_fraser_wright -->|"2001 · Assignment · 6593123"| Navigen
Navigen -->|"2005 · Assignment · 6593123"| 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
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 Navigen focal
class Ngenzyme operating
Patents previously held (3)
- US 65931232001-12-10 → 2005-12-19
Connected entities (4)
- GENZYME CORPORATIONoperating company3 patents · ⚖️ 1
- WRIGHT, JOHN FRASER; QU, GUANGindividual1 patent
- Quang Qu; John Fraser Wrightindividual1 patent
- Guang Qu; John Fraser Wrightindividual1 patent
Correspondent attorneys (2)
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.
- GARY M. HOFFMAN· AVIGEN, INC.1 appearance
- (no name)· KENYON & KENYON1 appearance