Patent No. EP1785422 (titled "Micronised Crystalline Tiotropium Bromide") was filed by Boehringer Ingelheim Pharma GmbH & Co. KG on Mar 10, 2003. The application was issued on Nov 16, 2016.

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 |
|---|---|---|
| LABORATORIOS LICONSA, S.A. | Aug 16, 2017 | SCHON |
| JUMP | Aug 16, 2017 | ELKINGTON AND FIFE |
| ALFRED E TIEFENBACHER | Aug 15, 2017 | HAMM&WITTKOPP PATENTANWÄLTE PARTMBB |
| HEXAL PHARMA AG | Aug 15, 2017 | TER MEER UND PARTNER |
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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