Asserter profile

DUSA PHARMACEUTICALS, INC.

operating company0 patents now1 ever0 cases filed during tenure2 connections

PTAB exposure

1of this entity’s patents have been challenged at PTAB (1 total proceeding).

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
    Ndusa_pharmaceuticals["DUSA PHARMACEUTICALS, INC."]
    Ncarota_mark_boyajian_thomas_mazejka_brian["CAROTA, MARK, BOYAJIAN, THOMAS, MAZEJKA…"]
    Nsun_pharmaceutical["SUN PHARMACEUTICAL INDUSTRIES, INC."]
    Ncarota_mark_boyajian_thomas_mazejka_brian -->|"2024 · Assignment · 11697028"| Ndusa_pharmaceuticals
    Ndusa_pharmaceuticals ==>|"⚖️ 2024 · Merger · 11697028"| Nsun_pharmaceutical
    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 Ndusa_pharmaceuticals focal
    class Nsun_pharmaceutical operating

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.