T 0184/05 () of 5.2.2008 | XEPC: EPC and PCT resource

European Case Law Identifier:

ECLI:EP:BA:2008:T018405.20080205

Date of decision:

05 February 2008

Case number:

T 0184/05

Application number:

98105741.7

IPC class:

C30B 29/12

Language of proceedings:

Distribution:

Download and more information:

Decision text in EN (PDF, 66Â KB)
Documentation of the appeal procedure can be found in the Register
Bibliographic information is available in:	EN
Versions:	Unpublished

Title of application:

Calcuim Fluoride crystal, optical article and production method

Applicant name:

CANON KABUSHIKI KAISHA

Opponent name:

Schott Lithotec AG

Board:

3.2.07

Headnote:

An impurity concentration value of a product obtained under specific process conditions cannot be taken in strict isolation from the examples unless it has been demonstrated that this value is not so closely associated via the applied process with specific (undisclosed) maximum values of all other impurities comprised in the product (see points 1.1.1 to 1.1.6 of the reasons)

Relevant legal provisions:

European Patent Convention 1973 Art 111(1)
European Patent Convention Art 123(2)
European Patent Convention Art 123(3)
European Patent Convention 1973 Art 54
European Patent Convention 1973 Art 56
Rules of procedure of the Boards of Appeal Art 13

Keywords:

Catchwords:

Cited decisions:

G 0004/88
T 0201/83
T 0191/93
T 0677/05

Citing decisions:

T 1827/12

Source: http://www.epo.org/law-practice/case-law-appeals/recent/t050184eu1.html

Date retrieved: 17 May 2021