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EPO boards of appeal decision

Date of decision

21 June 2007

Case number

T 0856/04 - 3.2.03

Application number

97930490.4

IPC

E21B43/10

Proceedings Language

Title of the application

Method for expanding a steel tubing and well with such a tubing

Applicant name

SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V.

Opponent name

Headnote

-

Articles and Rules

EPC . Art 56

Keywords

Inventive step (yes) - remote technical field

Cited Decisions

Catchwords:

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