Stratasys Inc.
Patent owner in reexamination·3 ex parte reexams
Stratasys Inc.'s patents have been the subject of 3 USPTO ex parte reexaminations, with 3 currently open. Its patents are most often challenged by Shenzhen Tuozhu Technology Co. Ltd.. 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 |
|---|---|---|---|---|---|
| 90/016,400 | Jun 17, 2026 | 7,555,357 | METHOD FOR BUILDING THREE-DIMENSIONAL OBJECTS WITH EXTRUSION-BASED LAYERED DEPOSITION SYSTEMS | Shenzhen Tuozhu Technology Co. Ltd. | Open |
| 90/016,323 | May 20, 2026 | 8,747,097 | NETWORKED THREE-DIMENSIONAL PRINTER WITH THREE-DIMENSIONAL SCANNER | — | Open |
| 90/016,285 | May 14, 2026 | 11,167,464 | TAGGED BUILD MATERIAL FOR THREE-DIMENSIONAL PRINTING | Shenzhen Tuozhu Technology Co. Ltd. | Open |
See the full reexam picture for Stratasys Inc.
Certificate outcomes, pendency, and the parties and examiners behind these cases. Free to sign up.