Asserter profile

ENVIRO TECH CHEMICAL SERVICES, INC.

operating company2 patents now2 ever1 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
    Nenviro_chemical_services["ENVIRO TECH CHEMICAL SERVICES, INC."]
    Nmichael_s_harvey_and_jonathan_n_howarth["Michael S. Harvey and Jonathan N. Howar…"]
    Nharvey_michael_s_howarth_jonathan_n["HARVEY, MICHAEL S.; HOWARTH, JONATHAN N."]
    Nmichael_s_harvey_and_jonathan_n_howarth ==>|"⚖️ 2011 · Assignment · 8546449"| Nenviro_chemical_services
    Nharvey_michael_s_howarth_jonathan_n -->|"2017 · Assignment · 10912321"| Nenviro_chemical_services
    Nharvey_michael_s_howarth_jonathan_n -->|"2019 · Assignment · 10912321"| Nenviro_chemical_services
    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 Nenviro_chemical_services focal

Patents currently held (2)

Connected entities (2)

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.