Patent No. EP2668464 (titled "Setting And/Or Measurement Apparatus") was filed by E Zoller Einstell UND Messgerte on Dec 10, 2011. The application was issued on Mar 3, 2021.

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.
| Company | Opposition Date | Representative |
|---|---|---|
| WERTH MESSTECHNIK | Jun 2, 2016 | STOFFREGEN |
| MAHR GMBH | Jun 1, 2016 | RUGER ABEL PATENTANWALTE PARTGMBB |
| WALTER MASCHINENBAU GMBH | Jun 1, 2016 | RUGER ABEL PATENTANWALTE PARTGMBB |
The dossier documents provide a comprehensive record of the patent's prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent's legal journey and any challenges it may have faced during examination.
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