Patent No. EP2736897 (titled "Substituted Picolinic Acids And Pyrimidine-4-Carboxylic Acids, Method For The Production Thereof, And Use Thereof As Herbicides And Plant Growth Regulators") was filed by Bayer on Jul 24, 2012. The application was issued on Nov 25, 2015.

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 |
|---|---|---|
| DOW AGROSCIENCES | Aug 25, 2016 | HARRISON GODDARD FOOTE |
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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