We discovered that the most important patents in XXII’s patent portfolio have now expired. In fact, some of them expired back in 2018!
From the evidence we uncovered, we believe that these expired patents (the QPT family of patents) are the primary patents behind the Brand A/VLN (very low nicotine) cigarettes. Those who have been tracking XXII for a while know that Brand A/VLN Cigs are the exact same cigarettes that XXII submitted their FDA applications for their MRTP (Modified Risk Tobacco Product) and PMTA (Premarket Tobacco Product Applications). This patent