Why would anyone buy that right? Statute of limitations is crystal clear here. The case is going to be dismissed the moment it gets in front of a judge.
> Breach of a written contract: 4 years from the date the contract was broken.
Which part do you think is debatable?
> Sometimes, if the problem (like the injury or damage) was not discovered right away, the statute of limitations generally starts counting from the date the problem was discovered or should reasonably have been discovered, whichever comes first.
Or he sold them years ago for far less than they are worth now, in which case he could have a claim for the original shares which were worth a few k after interest.