2 litigated patents
here is a link to an article regarding the facebook litigation. It links two of the patents directly to a history of court proceedings. The last proceeding for patent related to a number icon depicting the number of messages in que was 10/252021 and is labeled ***code IPRC ......." trial and appeal board inter parties review certificate. https://arstechnica.com/gadgets/2022/01/blackberry-sells-mobile-and-messaging-patents-for-600-million/#aoh=16437471383606&csi=1&referrer=https%3A%2F%2Fwww.google.com&_tf=From%20%251%24s&share=https%3A%2F%2Farstechnica.com%2Fgadgets%2F2022%2F01%2Fblackberry-sells-mobile-and-messaging-patents-for-600-million%2F