Patent No. EP2993999 (titled "Nicotine Salt Formulations For Aerosol Devices And Methods Thereof") was filed by Juul Labs on May 6, 2014. The application was issued on Jan 27, 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 |
|---|---|---|
| PHILIP MORRIS | Oct 27, 2021 | HGF |
| JAPAN TOBACCO | Oct 26, 2021 | BANDPAY & GREUTER |
| NICOVENTURES | Oct 26, 2021 | D YOUNG |
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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