4.4. Filing amendments

The opposition division exercises a discretionary power in relation to requests for amendment in oppositions before it. Consideration of a new or amended independent claim could reasonably be expected when such a new or amended claim results from a combination of features taken from granted claims which has been specifically opposed, since the opponents should already be familiar with the subject­matter (T 463/95). The principles for dealing with amendments to opposed patents developed by the boards of appeal also apply to the filing of additional dependent or independent claims in opposition or subsequent appeal proceedings.

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