I/P Engine, Inc.
Patent owner in reexamination·4 ex parte reexams
I/P Engine, Inc.'s patents have been the subject of 4 USPTO ex parte reexaminations. Its patents are most often challenged by Google 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 |
|---|---|---|---|---|---|
| 90/020,057 | Aug 19, 2013 | 6,314,420 | COLLABORATIVE ADAPTIVE SEARCH ENGINE | Google Inc. | Closed |
| 90/012,791 | Feb 8, 2013 | 6,775,664 | INFORMATION FILTER SYSTEM AND METHOD FOR INTEGRATED CONTENT-BASED AND COLLABORATIVE/ADAPTIVE FEEDBACK QUERIES | Google Inc. | Closed |
| 90/012,722 | Nov 28, 2012 | 6,775,664 | INFORMATION FILTER SYSTEM AND METHOD FOR INTEGRATED CONTENT-BASED AND COLLABORATIVE/ADAPTIVE FEEDBACK QUERIES | Google Inc. | Closed |
| 90/009,991 | May 24, 2012 | 6,314,420 | COLLABORATIVE/ADAPTIVE SEARCH ENGINE | Google Inc. | Closed |
See the full reexam picture for I/P Engine, Inc.
Certificate outcomes, pendency, and the parties and examiners behind these cases. Free to sign up.