Workman Nydegger
Ex parte reexamination requester·4 ex parte reexams
Workman Nydegger has requested 4 USPTO ex parte reexaminations, with 1 currently open. It most often challenges patents owned by Techlaw Ventures PLLC, Feinmetall GmbH, and Liquid Lumens 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 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 (4)
| Control # | Filed | Patent | Title | Owner | Status |
|---|---|---|---|---|---|
| 90/015,490 | Aug 29, 2025 | 7,850,460 | ELECTRICAL CONTACT ELEMENT FOR CONTACTING AN ELECTRICAL COMPONENT UNDER TEST AND CONTACTING APPARATUS | Feinmetall GmbH | Open |
| 90/014,931 | Dec 22, 2021 | 11,073,273 | LIGHTING DEVICES INCLUDING AT LEAST ONE LIGHT-EMITTING DEVICE, SYSTEMS INCLUDING AT LEAST ONE LIGHTING DEVICE, AND RELATED METHODS | Liquid Lumens LLC | Closed |
| 90/014,930 | Dec 22, 2021 | 11,073,272 | LIGHTING DEVICES INCLUDING AT LEAST ONE LIGHT-EMITTING DEVICE, SYSTEMS INCLUDING AT LEAST ONE LIGHTING DEVICE, AND RELATED METHODS | Techlaw Ventures PLLC | Closed |
| 90/014,932 | Dec 22, 2021 | 11,112,105 | LIGHTING DEVICES INCLUDING AT LEAST ONE LIGHT-EMITTING DEVICE, SYSTEMS INCLUDING AT LEAST ONE LIGHTING DEVICE, AND RELATED METHODS | Techlaw Ventures PLLC | Closed |
See the full reexam picture for Workman Nydegger
Certificate outcomes, pendency, and the parties and examiners behind these cases. Free to sign up.