Ladas & Parry, LLP
Patent reexamination counsel·7 ex parte reexams
Ladas & Parry, LLP has served as patent-owner counsel in 7 USPTO ex parte reexaminations, with 1 currently open. The firm most often represents Teva Medical Ltd., Wilus Institute of Standards and Technology Inc., and Jads International 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
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 (7)
| Control # | Filed | Patent | Title | Owner | Status |
|---|---|---|---|---|---|
| 90/016,496 | Jul 24, 2026 | 10,651,992 | WIRELESS COMMUNICATION METHOD AND WIRELESS COMMUNICATION TERMINAL FOR COEXISTENCE WITH LEGACY WIRELESS COMMUNICATION TERMINAL | Wilus Institute of Standards and Technology Inc. | Open |
| 90/015,257 | Jul 11, 2023 | 11,655,383 | PHOTOCHROMIC COMPOSITIONS, MARKERS CONTAINING THE SAME, AND SYSTEMS AND METHODS FOR THEIR USE | Jads International LLC | Closed |
| 90/014,169 | Jul 17, 2018 | 8,122,923 | SAFETY DRUG HANDLING DEVICE | Teva Medical Ltd. | Closed |
| 90/014,064 | Jan 12, 2018 | 6,915,585 | Spirit Level | Stabila Messgerate Gustav Ullrich GmbH | Closed |
| 90/014,057 | Dec 19, 2017 | 9,549,875 | SAFETY DRUG HANDLING DEVICE | Teva Medical Ltd. | Closed |
| 90/013,687 | Feb 22, 2016 | 8,122,923 | SAFETY DRUG HANDLING DEVICE | Teva Medical Ltd. | Closed |
| 90/013,416 | Dec 11, 2014 | 8,122,923 | SAFETY DRUG HANDLING DEVICE | Teva Medical Ltd. | 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 Ladas & Parry, LLP
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