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T 0467/94 (Pyridinium compounds/EISAI) of 4.11.1999

European Case Law Identifier:

ECLI:EP:BA:1999:T046794.19991104

Date of decision:

04 November 1999

Case number:

T 0467/94

Application number:

IPC class:

Language of proceedings:

EN

Distribution:

C

Download and more information:

Decision text in EN (PDF, 33Â KB)
Documentation of the appeal procedure can be found in the Register
Bibliographic information is available in:	EN
Versions:	Unpublished

Title of application:

Pyridinium salt and pharmacological composition containing the same

Applicant name:

Eisai Co., Ltd.

Opponent name:

-

Board:

3.3.01

Headnote:

-

Relevant legal provisions:

European Patent Convention 1973 Art 56
European Patent Convention 1973 Art 111(1)

Keywords:

Inventive step (yes) - chemical invention - structural similarity - concept of bioisosterism - no pointer to the claimed compounds
Remittal

Catchwords:

-

Cited decisions:

T 0164/83
T 0643/96

Citing decisions:

-

Source: http://www.epo.org/law-practice/case-law-appeals/recent/t940467eu1.html

Date retrieved: 17 May 2021

3 references found.

Click X to load a reference inside the current page, click on the title to open in a new page.

Case Law Book: I Patentability

X CLR I D 9.8.2 Structural similarity

General Case Law

X T 0164/83 (Antihistamines) of 17.7.1986

X T 0643/96 (Bioisosterism/BEECHAM) of 14.10.1996