T 0470/91 (Unity) of 11.5.1992 | XEPC: EPC and PCT resource

European Case Law Identifier:

ECLI:EP:BA:1992:T047091.19920511

Date of decision:

11 May 1992

Case number:

T 0470/91

Application number:

86306769.0

IPC class:

C07D 213/64

Language of proceedings:

Distribution:

Download and more information:

Decision text in EN (PDF, 243Â KB)
Documentation of the appeal procedure can be found in the Register
Bibliographic information is available in:	EN
Versions:	OJ \| Published

Title of application:

Applicant name:

ICI PLC

Opponent name:

Board:

3.3.01

Headnote:

An invention relating to novel intermediates and novel end products has unity if the intermediates oriented towards the final products are sufficiently closely technically related thereto by the contribution of an essential structural element to the end products and if the regulatory provisions of Article 82 EPC are safegruarded. This is also valid if the intermediates belong to two groups of compounds with different basic structures (Decisions T 110/82 "Benzyl esters" OJ EPO 1983, 274, T 57/82 "Copolycarbonates", OJ EPO 1982, 306 and T 35/87 "Hydroxypyrazoles" OJ EPO 1988, 134 followed and extended).

Relevant legal provisions:

European Patent Convention 1973 Art 82
European Patent Convention 1973 R 67
European Patent Convention 1973 R 68(2)

Keywords:

Unity of inventions relating to intermediates and final products
Single inventive concept
Structural relationship beteen intermediates unnecessary
Reimbursement of appeal fee - rejectd

Catchwords:

Cited decisions:

Citing decisions:

Source: http://www.epo.org/law-practice/case-law-appeals/recent/t910470ex1.html

Date retrieved: 17 May 2021