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GL F IV 4.5 Essential features

4.5.1 Objections arising from missing essential features

4.5.2 Definition of essential features

4.5.3 Generalisation of essential features

4.5.4 Implicit features

Source: http://www.epo.org/law-practice/legal-texts/html/guidelines/e/f_iv_4_5.htm

Date retrieved: 17 May 2021

15 references found.

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EPO Guidelines - F The European Patent Application

X GL F III 5.2 Absence of well-known details

X GL F IV 3.2 Number of independent claims

X GL F IV 3.8 Independent claims containing a reference to another claim or to features from a claim of another category

X GL F IV 3.9.2 Cases where method steps define additional devices and/or specific data processing means

X GL F IV 4 Clarity and interpretation of claims

X GL F IV 4.5.1 Objections arising from missing essential features

X GL F IV 4.5.2 Definition of essential features

X GL F IV 4.5.3 Generalisation of essential features

X GL F IV 4.5.4 Implicit features

X GL F IV 4.5.5 Examples

X GL F IV 4.10 Result to be achieved

EPO Guidelines - G Patentability

X GL G II 3.5.1 Schemes, rules and methods for performing mental acts

X GL G VI 7 Examination of novelty

EPO Guidelines - H Amendments and Corrections

X GL H II 2.3.1.3 Rule 137(3) in conjunction with Article 84 – missing essential feature