Grinding And Sizing Company LLC
Patent owner in reexamination·1 ex parte reexams
Grinding And Sizing Company LLC's patents have been the subject of 1 USPTO ex parte reexamination. Its patents are most often challenged by J.M. Mark Gilbreth. ExamPat indexes the full prosecution record for each proceeding, including office-action grounds, certificate outcomes, and downstream PTAB and Federal Circuit decisions.
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Outcome track record
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Defense metrics
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- Survival rate of closed proceedings
- Average pendency in months
Challengers & examiners
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Recent reexaminations (1)
| Control # | Filed | Patent | Title | Requester | Status |
|---|---|---|---|---|---|
| 90/012,782 | Feb 4, 2013 | 8,324,136 | Synergistic bead lubricant and methods for providing improved lubrication to drilling fluids for horizontal drilling | J.M. Mark Gilbreth | Closed |
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