Beckman Coulter, Inc.
Patent owner in reexamination·4 ex parte reexams
Beckman Coulter, Inc.'s patents have been the subject of 4 USPTO ex parte reexaminations, with 4 currently open. Its patents are most often challenged by Cytek BioSciences, Inc.. 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 (4)
| Control # | Filed | Patent | Title | Requester | Status |
|---|---|---|---|---|---|
| 90/016,623 | Oct 2, 2026 | 10,330,582 | FLOW CYTOMETER | Cytek BioSciences, Inc. | Open |
| 90/016,296 | Jun 2, 2026 | 11,703,443 | FLOW CYTOMETER | Cytek BioSciences, Inc. | Open |
| 90/016,303 | May 15, 2026 | 12,174,107 | FLOW CYTOMETER | Cytek BioSciences, Inc. | Open |
| 90/015,441 | Aug 9, 2025 | 10,330,582 | FLOW CYTOMETER | Cytek BioSciences, Inc. | Open |
See the full reexam picture for Beckman Coulter, Inc.
Certificate outcomes, pendency, and the parties and examiners behind these cases. Free to sign up.