Carlill vs the Carbolic Smokeball Co.

In 1892, the company pledged a £100 reward  to anyone who caught influenza after using its patented smoke ball. A Mrs Carlill claimed the money, but was told by the owner her claim was "impertinent". The case went to court to establish whether the offer was genuine or just advertising puff. Mrs C won, and an important precedent was established.

The company was liquidated the next year, the owner, Mr Roe, died soon after from TB; Mrs Carlill lived to 96.