From TM-XML-Wiki

Individual/Organization that claims a mark record (transfer, licence, change of name or address, etc.)

Claimant (Element)
Type:	ClaimantType
Cardinality:	1..n
Defined in:	BasicRecordType RecordChangeNameAddressType RecordLicenceType RecordNationalInternationalReplacementType RecordShortNotationType RecordTransferType

Translation

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it - Italian

Implementation-Specific