On July 19th, 1880, at 11:00 am, Ernest Francillon entered the premises of the Swiss Federal Office of Intellectual Property to register the original Longines brand and its winged hourglass symbol under numbers 118 and 119 respectively. The new Longines logotype was first registered under number 2684 at 4:00 pm on May 27th, 1889 at the Swiss Federal Office of Intellectual Property and under number 14 on March 27th, 1893 at the International Office of Intellectual Property (today WIPO, World Intellectual Property Organization).

Universal Exhibitions
In 1885, Longines won its first Grand Prix at the Universal Exhibition in Antwerp. Further success followed in Brussels, in 1897, Paris in 1889, 1900 and 1925, Milan, in 1906, Genoa, in 1914, Bern, in 1914, Philadelphia, in 1926 and Barcelona, in 1929. Longines' record of ten Grand Prix and 28 Gold Medals has never been equalled by any other watch manufacturer.