Ch20 Incorporated
Patent owner in reexamination·3 ex parte reexams
Ch20 Incorporated's patents have been the subject of 3 USPTO ex parte reexaminations. Its patents are most often challenged by Meras Engineering, Inc., MERAS ENGINEERING INC., and AquaPulse Systems 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 (3)
| Control # | Filed | Patent | Title | Requester | Status |
|---|---|---|---|---|---|
| 90/013,837 | Oct 19, 2016 | 6,767,470 | METHOD FOR CLEANING AND MAINTAINING WATER DELIVERY SYSTEMS | Meras Engineering, Inc. | Closed |
| 90/013,123 | Jan 17, 2014 | 6,767,470 | METHOD FOR CLEANING AND MAINTAINING WATER DELIVERY SYSTEMS | MERAS ENGINEERING INC. | Closed |
| 90/012,686 | Sep 15, 2012 | 5,863,584 | METHOD FOR TREATING PRODUCE AND PROCESS WATER | AquaPulse Systems Inc. | Closed |
See the full reexam picture for Ch20 Incorporated
Certificate outcomes, pendency, and the parties and examiners behind these cases. Free to sign up.