Law Offices of Steven W. Weinrieb
Patent reexamination counsel·3 ex parte reexams
Law Offices of Steven W. Weinrieb has served as patent-owner counsel in 3 USPTO ex parte reexaminations. The firm most often represents Mambate US Inc. and Design Identification Pte. Ltd.. 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 represented
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 (3)
| Control # | Filed | Patent | Title | Owner | Status |
|---|---|---|---|---|---|
| 90/014,799 | Jul 13, 2021 | D892,608 | UMBRELLA HOOK | — | Closed |
| 90/014,783 | Jun 25, 2021 | D846,728 | LED Camping Lantern with Ceiling Fan | Mambate US Inc. | Closed |
| 90/014,699 | Mar 12, 2021 | D898,270 | TABLE LAMP | Design Identification Pte. Ltd. | Closed |
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- Fish & Richardson, P.C.75 reexams · 16 pending
- Volpe Koenig55 reexams · 30 pending
- Lowenstein & Weatherwax, LLP51 reexams · 24 pending
- Nixon & Vanderhye, P.C.47 reexams · 7 pending
See the full reexam picture for Law Offices of Steven W. Weinrieb
Certificate outcomes, pendency, and the parties and examiners behind these cases. Free to sign up.