StemCells California, Inc.
Patent owner in reexamination·5 ex parte reexams
StemCells California, Inc.'s patents have been the subject of 5 USPTO ex parte reexaminations. Its patents are most often challenged by Neuralstem, 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 (5)
| Control # | Filed | Patent | Title | Requester | Status |
|---|---|---|---|---|---|
| 90/013,375 | Oct 15, 2014 | 7,115,418 | METHODS OF PROLIFERATING UNDIFFERENTIATED NEURAL CELLS | Neuralstem, Inc. | Closed |
| 90/013,347 | Sep 19, 2014 | 5,851,832 | IN VITRO GROWTH AND PROLIFERATION OF MULTIPOTENT NEURAL STEM CELLS AND THEIR PROGENY | Neuralstem, Inc. | Closed |
| 90/013,338 | Sep 5, 2014 | 6,294,346 | USE OF MULTIPOTENT NEURAL STEM CELLS AND THEIR PROGENY FOR THE SCREENING OF DRUGS AND OTHER BIOLOGICAL AGENTS | Neuralstem, Inc. | Closed |
| 90/013,322 | Aug 29, 2014 | 6,497,872 | NEURAL TRANSPLANTATION USING PROLIFERATED MULTIPOTENT NEURAL STEM CELLS AND THEIR PROGENY | Neuralstem, Inc. | Closed |
| 90/013,323 | Aug 29, 2014 | 7,361,505 | MULTIPOTENT NEURAL STEM CELL COMPOSITIONS | Neuralstem, Inc. | Closed |
See the full reexam picture for StemCells California, Inc.
Certificate outcomes, pendency, and the parties and examiners behind these cases. Free to sign up.