Asserter profile

APRIL SYSTEM DESIGN AB

operating company0 patents now1 ever0 cases filed during tenure2 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
    Napril_system_design_ab["APRIL SYSTEM DESIGN AB"]
    Nengberg_sten_olov_jonsson_ake["ENGBERG, STEN-OLOV, JONSSON, AKE"]
    Ndynapass["DYNAPASS, INC."]
    Ndynapass_ip["DYNAPASS IP HOLDINGS LLC"]
    Nengberg_sten_olov_jonsson_ake -->|"2000 · ASSIGNMENT OF ASSIGNORS INTEREST · 6993658"| Napril_system_design_ab
    Napril_system_design_ab -->|"2011 · ASSIGNMENT OF ASSIGNORS INTEREST · 6993658"| Ndynapass
    Ndynapass -->|"2022 · ASSIGNMENT OF ASSIGNORS INTEREST · 6993658"| Ndynapass_ip
    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 Napril_system_design_ab focal
    class Ndynapass_ip npe

Patents previously held (1)

Connected entities (2)

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.