T 0068/93 (Phosphorodithioates/LUBRIZOL) of 24.1.1995

European Case Law Identifier:

ECLI:EP:BA:1995:T006893.19950124

Date of decision:

24 January 1995

Case number:

T 0068/93

Application number:

84901874.2

IPC class:

C07F 9/165

Language of proceedings:

Distribution:

Download and more information:

Decision text in EN (PDF, 960Â KB)
Documentation of the appeal procedure can be found in the Register
Bibliographic information is available in:	EN
Versions:	Unpublished

Title of application:

Phosphorus-containing metal salt/olefin compositions and reaction products of same with active sulfur

Applicant name:

The Lubrizol Corporation

Opponent name:

Exxon Chemical Patents Inc.

Board:

3.3.01

Headnote:

Relevant legal provisions:

European Patent Convention 1973 Art 52(1)
European Patent Convention 1973 Art 54(1)
European Patent Convention 1973 Art 54(2)
European Patent Convention 1973 Art 56
European Patent Convention 1973 Art 111(1)
European Patent Convention 1973 Art 123(2)
European Patent Convention 1973 Art 123(3)

Keywords:

Novelty (yes)
Ex post facto analysis of a citation (not allowable)
Inventive step (yes) - no hint that a measure known in a different field of technology would solve a particular techical problem
Comparative tests - irrelevant if not expertly carried out
Amendments - technical contribution of added feature
Novelty - burden of proof
Inventive step - neighboring field

Catchwords:

Cited decisions:

T 0014/83
T 0666/89
T 0741/91
T 0526/92

Citing decisions:

Source: http://www.epo.org/law-practice/case-law-appeals/recent/t930068eu1.html

Date retrieved: 17 May 2021