Caterpillar Inc.
Ex parte reexamination requester·10 ex parte reexams
Caterpillar Inc. has requested 10 USPTO ex parte reexaminations, with 9 currently open. It most often challenges patents owned by Doosan Bobcat North America, 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 patent owners challenged
Outcome track record
How this requester's challenges resolve: claims confirmed, amended, mixed, or fully canceled.
- Certificate outcome split across every bucket
- Share of challenges that canceled claims
Challenge metrics
Cancellation rate, average pendency, and the open/closed split across every reexam this requester has filed.
- Outcome rate of closed challenges
- Average pendency in months
Examiners & defense counsel
Which examiners decide this requester's challenges, and which firms defend the targeted patents.
- Most frequent examiners
- Top opposing counsel
Recent reexaminations (10)
| Control # | Filed | Patent | Title | Owner | Status |
|---|---|---|---|---|---|
| 90/016,006 | Feb 26, 2026 | 10,302,027 | VARIABLE ENGINE SPEED CONTROL | Doosan Bobcat North America, Inc. | Open |
| 90/016,010 | Feb 26, 2026 | 8,047,760 | INTEGRAL POWER OR ELECTRICAL CONDUIT COUPLER | Doosan Bobcat North America, Inc. | Open |
| 90/016,002 | Feb 26, 2026 | 7,831,364 | "OFF-BOARD" CONTROL FOR A POWER MACHINE OR VEHICLE | Doosan Bobcat North America, Inc. | Open |
| 90/016,003 | Feb 26, 2026 | 10,934,684 | CONTROL SYSTEM FOR POWER MACHINE | Doosan Bobcat North America, Inc. | Open |
| 90/016,000 | Feb 26, 2026 | 10,934,687 | HYDRAULIC POWER PRIORITIZATION | Doosan Bobcat North America, Inc. | Closed |
| 90/015,999 | Feb 26, 2026 | 9,382,925 | AUTOMATED SHIFTING OF HYDRAULIC DRIVE SYSTEMS | Doosan Bobcat North America, Inc. | Open |
| 90/016,005 | Feb 26, 2026 | 8,392,075 | Carrier and Backhoe Control System and Method | Doosan Bobcat North America, Inc. | Open |
| 90/016,007 | Feb 26, 2026 | 8,364,356 | DRIVE CONTROL SYSTEM FOR A VEHICLE AND METHOD | Doosan Bobcat North America, Inc. | Open |
| 90/016,001 | Feb 26, 2026 | 10,494,788 | SYSTEM AND METHOD FOR DEFINING A ZONE OF OPERATION FOR A LIFT ARM | Doosan Bobcat North America, Inc. | Open |
| 90/016,004 | Feb 26, 2026 | 10,464,619 | TRACKED UTILITY VEHICLE | Doosan Bobcat North America, Inc. | Open |
See the full reexam picture for Caterpillar Inc.
Certificate outcomes, pendency, and the parties and examiners behind these cases. Free to sign up.