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).


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Art. 8a28

1 If the in­ven­tion con­cerns a man­u­fac­tur­ing pro­cess, the ef­fects of the pat­ent also ex­tend to the products dir­ectly ob­tained by that pro­cess.

2 If the products dir­ectly ob­tained by the pro­cess con­cern bio­lo­gic­al ma­ter­i­al, the ef­fects of the pat­ent also ex­tend to products ob­tained by propagat­ing the bio­lo­gic­al ma­ter­i­al and which demon­strate the same char­ac­ter­ist­ics. Art­icle 9a para­graph 3 re­mains re­served.29

28 In­ser­ted by No I of the FA of 22 June 2007, in force since 1 Ju­ly 2008 (AS 2008 2551; BBl 2006 1).

29 Second sen­tence in­ser­ted by No I of the FA of 19 Dec. 2008, in force since 1 Ju­ly 2009 (AS 2009 2615; BBl 2008303).

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