Asserter profile
BLACKBERRY LIMITED
operating company0 patents now1 ever0 cases filed during tenure3 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
Nblackberry["BLACKBERRY LIMITED"]
Nhe_dake["He, Dake"]
Not_patent_escrow["OT PATENT ESCROW, LLC"]
Nmalikie_innovations["MALIKIE INNOVATIONS LIMITED"]
Nhewlett_packard_enterprise_development["Hewlett Packard Enterprise Development…"]
Nvaltrus_innovations["Valtrus Innovations Limited"]
Nhe_dake -->|"2016 · Assignment of Assignors Interest · 10778989"| Nblackberry
Nblackberry -->|"2023 · Assignment of Assignor's Interest · 10778989"| Not_patent_escrow
Nblackberry -->|"2023 · Nunc Pro Tunc Assignment · 10778989"| Nmalikie_innovations
Not_patent_escrow -->|"2023 · Nunc Pro Tunc Assignment · 10778989"| Nmalikie_innovations
Nhewlett_packard_enterprise_development -->|"2021 · Patent Assignment, Security Interest, and Lien Agreement · 8370416"| Not_patent_escrow
Not_patent_escrow ==>|"⚖️ 2021 · Assignment · 8370416"| Nvaltrus_innovations
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 Nblackberry focal
class Not_patent_escrow shell
class Nmalikie_innovations npe
class Nhewlett_packard_enterprise_development operating
class Nvaltrus_innovations npe
Patents previously held (1)
- US 107789892016-02-05 → 2023-04-27
Connected entities (3)
- He, Dakeindividual1 patent
- OT PATENT ESCROW, LLCshell LLC1 patent
- MALIKIE INNOVATIONS LIMITEDNPE1 patent
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.
- Stephen B. Ackerman· The Law Office of Stephen B. ACKERMAN1 appearance