UMBRA TECHNOLOGIES LTD. (UK)
Patent owner in reexamination·3 ex parte reexams
UMBRA TECHNOLOGIES LTD. (UK)'s patents have been the subject of 3 USPTO ex parte reexaminations, with 3 currently open. Its patents are most often challenged by Zscaler, Inc. and Unified Patents, LLC. ExamPat indexes the full prosecution record for each proceeding, including office-action grounds, certificate outcomes, and downstream PTAB and Federal Circuit decisions.
Filings by year
Top requesters
Outcome track record
How reexams of this owner's patents resolve: claims confirmed, amended, mixed, or fully canceled.
- Certificate outcome split across every bucket
- Claim-survival rate
Defense metrics
Claim-survival rate, average pendency, and the open/closed split across every reexam of this owner's patents.
- Survival rate of closed proceedings
- Average pendency in months
Challengers & examiners
Which requesters most often challenge this owner's patents, and which examiners decide them.
- Top requesters
- Most frequent examiners
Recent reexaminations (3)
| Control # | Filed | Patent | Title | Requester | Status |
|---|---|---|---|---|---|
| 90/016,367 | Jun 1, 2026 | 12,335,329 | SYSTEM AND METHOD FOR CONTENT RETRIEVAL FROM REMOTE NETWORK REGIONS | Zscaler, Inc. | Open |
| 90/016,360 | May 29, 2026 | 12,432,161 | MULTI-PERIMETER FIREWALL IN THE CLOUD | Zscaler, Inc. | Open |
| 90/016,212 | Apr 27, 2026 | 12,452,192 | SYSTEMS AND METHODS FOR PROVIDING A GLOBAL VIRTUAL NETWORK (GVN) | Unified Patents, LLC | Open |
See the full reexam picture for UMBRA TECHNOLOGIES LTD. (UK)
Certificate outcomes, pendency, and the parties and examiners behind these cases. Free to sign up.