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Gilder v PGA Tour Inc concerned, at the time, the most popular selling golf club in the world, the ‘Ping Eye 2'. This club was developed following an amendment in 1984 whereby the United States Golf Association had permitted the manufacture of clubs containing grooves that were in the shape of a U (as opposed to a V) - this rule change coming about because of technical improvements in the way clubs were manufactured, rather than manufacturers seeking to gain an innovative advancement to their clubs. This contrasted with earlier clubs where the grooves were all the shape of a V- a diagrammatic representation from Figure XI of the current rules of golf shown below.

In 1985 a number of players complained that the U-grooves had detracted from the skill of the game. The specific allegation was that U-grooves imparted more spin on the golf ball, particularly when hitting from the rough. The USGA conducted further tests and whilst they considered that more spin was added to the golf ball by the U-grooves, not enough information was available to ban clubs with this type of face pattern. However, the USGA did amend how it would measure the spaces between the grooves (the so-called groove to land ratio) and this had the effect of banning the ‘Ping-Eye 2' - with this rule applying to all USGA tournaments from 1990.

Gilder and seven other professionals, funded by the manufacturer of the ‘Ping-Eye 2' (Karsten Manufacturing Corporation), began proceedings against the PGA (the administrative body for professional golf tournaments in the United States of America) for adopting the rule that led to the banning of the club. They alleged that the actions of the PGA and its directors violated §1 and §2 of the Sherman Act and Arizona antitrust laws.

To support its case, Karsten presented, in the United States Court of Appeal, economic evidence that there had been no negative impact for the PGA Tour by professionals using the ‘Ping-Eye 2.' This included a quantitative study that the percentage of money won by players using the golf club was less than the percentage of players not using the club. Furthermore, there was no proof that Ping golf clubs led to a greater number of players getting their balls to the green in less than regulation.

The evidence of the professionals was as expected - that changing clubs would adversely hurt their game, with this impacting on prize money won and endorsement income. By contrast, the PGA considered that success for Karsten would irreparably damage its standing as the governing body. If their reputation were diminished, it would then have difficulty formulating rules for the conduct of tournaments under its control. However, the Court in comparing the harm done to the manufacturer and the player, as against the PGA Tour found in favour of the manufacturer. The damage done to the prestige and reputation of the PGA paled in comparison with the financial harm to the players and Karsten. An injunction was granted preventing the ban of the club going ahead and with this in mind, both the USGA and the PGA settled the outstanding litigation with Karsten. This saw Karsten acknowle本论文由英语论文网提供整理，提供论文代写，英语论文代写，代写论文，代写英语论文，代写留学生论文，代写英文论文，留学生论文代写相关核心关键词搜索。