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Federal Act
on Patents for Inventions
(Patents Act, PatA)1

of 25 June 1954 (Status as of 1 July 2023)

1Amended by No I of the FA of 3 Feb. 1995, in force since 1 Sept. 1995 (AS 1995 2879; BBl 1993 III 706).

Art. 48a

1 There is no ob­lig­a­tion to be rep­res­en­ted be­fore the ad­min­is­trat­ive au­thor­it­ies in pro­ceed­ings un­der this Act.

2 Any party who does not want to rep­res­ent him­self in pro­ceed­ings un­der this Act be­fore the ad­min­is­trat­ive au­thor­it­ies must be rep­res­en­ted by a rep­res­ent­at­ive with an ad­dress for ser­vice in Switzer­land.