Asserter profile
QUARTERHILL INC.
NPE0 patents now5 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
Nquarterhill["QUARTERHILL INC."]
Nwi_lan["WI-LAN INC."]
Nquarterhill_wi_lan["QUARTERHILL INC., WI-LAN INC."]
Nensemble_communications["ENSEMBLE COMMUNICATIONS, INC."]
Nnextwave_broadband["NEXTWAVE BROADBAND INC."]
Nwi_lan -->|"2017 · Merger and Change of Name · 8311040"| Nquarterhill
Nquarterhill -->|"2017 · Assignment · 8311040"| Nwi_lan
Nwi_lan -->|"2017 · Merger · 8259688"| Nquarterhill
Nquarterhill ==>|"⚖️ 2017 · Assignment · 8259688"| Nwi_lan
Nwi_lan -->|"2017 · MERGER AND CHANGE OF NAME · 8315640"| Nquarterhill
Nquarterhill -->|"2017 · ASSIGNMENT OF ASSIGNORS INTEREST · 8315640"| Nwi_lan
Nwi_lan -->|"2017 · MERGER AND CHANGE OF NAME · 8457145"| Nquarterhill
Nquarterhill -->|"2017 · ASSIGNMENT OF ASSIGNORS INTEREST · 8457145"| Nwi_lan
Nquarterhill_wi_lan -->|"2017 · Merger · 8537757"| Nquarterhill
Nquarterhill -->|"2017 · Assignment · 8537757"| Nwi_lan
Nensemble_communications -->|"2010 · Assignment · 8311040"| Nwi_lan
Nnextwave_broadband -->|"2009 · Assignment · 8259688"| Nwi_lan
Nensemble_communications -->|"2010 · ASSIGNMENT OF ASSIGNORS INTEREST · 8315640"| Nwi_lan
Nensemble_communications -->|"2013 · ASSIGNMENT OF ASSIGNORS INTEREST · 8457145"| Nwi_lan
Nensemble_communications -->|"2012 · Assignment · 8537757"| Nwi_lan
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 Nquarterhill focal
class Nwi_lan npe
class Nquarterhill_wi_lan npe
class Nensemble_communications operating
class Nnextwave_broadband operating
Patents previously held (5)
- US 84571452017-06-13 → 2017-06-14
- US 85377572017-06-13 → 2017-06-14
- US 83110402017-06-20 → 2017-07-12
- US 82596882017-06-20 → 2017-07-12
- US 83156402017-06-20 → 2017-07-12
Connected entities (2)
- WI-LAN INC.NPE5 patents · ⚖️ 2
- QUARTERHILL INC., WI-LAN INC.NPE1 patent
Correspondent attorneys (4)
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.
- (no name)· QUARTERHILL INC.1 appearance
- (no name)· BORDEN LADNER GERVAIS1 appearance
- Jeffrey B. Sladkus· THE SLADKUS LAW GROUP1 appearance
- DARRYL G. WALKER1 appearance