Winston & Strawn, LLP
Patent reexamination counsel·6 ex parte reexams
Winston & Strawn, LLP has served as patent-owner counsel in 6 USPTO ex parte reexaminations, with 1 currently open. The firm most often represents Shfl Entertainment Inc., Smith International Inc., and Cambria Company LLC. 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
Outcome track record
How this firm's reexams resolve once a certificate issues: all claims confirmed, amended, mixed, or canceled.
- Certificate outcome split across every bucket
- Share of proceedings where claims survived
Practice metrics
Certificate rate, average pendency, and the open/closed split across the firm's full reexam docket.
- Certificate rate of closed proceedings
- Average pendency in months
Examiners & adversaries
Which examiners most often decide this firm's reexams, and which requesters most often challenge its patents.
- Most frequent examiners
- Top opposing requesters
Recent reexaminations (6)
| Control # | Filed | Patent | Title | Owner | Status |
|---|---|---|---|---|---|
| 90/016,396 | Jun 15, 2026 | 10,252,440 | PROCESSED SLABS, AND SYSTEMS AND METHODS RELATED THERETO | Cambria Company LLC | Open |
| 90/014,725 | Apr 9, 2021 | 9,207,686 | VERSATILE SYSTEMS FOR CONTINUOUS IN-LINE BLENDING OF BUTANE AND PETROLEUM | Sunoco Partners Marketing & Terminals L.P. | Closed |
| 90/013,111 | Jan 2, 2014 | 7,523,935 | CARD SHUFFLING APPARATUS WITH INTEGRAL CARD DELIVERY | Shfl Entertainment Inc. | Closed |
| 90/013,112 | Jan 2, 2014 | 6,651,982 | CARD SHUFFLING APPARATUS WITH INTEGRAL CARD DELIVERY | Shfl Entertainment Inc. | Closed |
| 90/012,910 | Aug 5, 2013 | 7,314,099 | SELECTIVELY ACTUATABLE EXPANDABLE UNDERREAMER/STABILIZER | Smith International Inc. | Closed |
| 90/012,912 | Jul 3, 2013 | 6,732,817 | EXPANDABLE UNDERREAMER/STABILIZER | Smith International Inc. | Closed |
Other reexam law firms
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- Sterne, Kessler, Goldstein & Fox P.L.L.C.105 reexams · 34 pending
- Fish & Richardson, P.C.76 reexams · 17 pending
- Volpe Koenig54 reexams · 29 pending
- Lowenstein & Weatherwax, LLP51 reexams · 24 pending
- Nixon & Vanderhye, P.C.48 reexams · 8 pending
See the full reexam picture for Winston & Strawn, LLP
Certificate outcomes, pendency, and the parties and examiners behind these cases. Free to sign up.