Identity of 
~ applicant, IV.A.5.2
Correction of name of applicant, IV.A.5.2.2
Priority, II.D.3.2
~ invention, II.D.2
Amendments - priority, II.D.2.1.2
Common general knowledge - priority, II.D.2.1.4
Disclaimer - priority, II.D.2.1.2
Enabling disclosure in the priority document, II.D.2.3
Error margins and definitions of limits - priority, II.D.2.1.8
Essential features in the priority document, II.D.2.1.5
Features missing with respect to the earlier application - priority, II.D.2.2.2
Generic disclosure - priority, II.D.2.1.9
Implicit features - priority, II.D.2.2.1
Interpretation same invention, II.D.2.1.1
Nucleotide and amino acid sequences - priority, II.D.2.1.10
Same invention - priority, II.D.2.1.1
Solution of the same problem - priority, II.D.2.1.6
Teaching in the priority document, II.D.2.1.7
~ the opponent, IV.D.2.2.2
Illness - postponement of oral proceedings, III.C.4.1.3.a
Illness and re-establishment of rights, III.E.4.3.2
Implementing Regulations - interpretation, III.H.5
Implicit features, I.C.3.3
Priority, II.D.2.2.1
Important points of law - Enlarged Board of Appeal, IV.E.9.1.2
Improvement of a production process for a known product, I.D.3.5
Improvement of properties - inventive step, I.D.9.13
Inability to observe time limits and re-establishment of rights, III.E.3.2
Financial difficulties, III.E.3.2.2
Inadequate reasons in decision at first instance - reimbursement of appeal fees, IV.E.8.3.4
Incomplete and deficient reasoning, III.K.4.2.2.a
Incomplete search, IV.B.4.1
Notoriously well known technical features, IV.B.4.1.3.a
Independence of divisional applications, II.F.3.1
Independent claims, IV.D.4.4.2
~ per category, II.A.2.2
Unity of invention, II.B.2.1
Indication of at least 'one way', II.C.4.2
Industrial application, I.E.1
Formulation of claims, I.E.2.3
Profitable use of the invention in industry, I.E.1.2
Informal communications in examination procedure, IV.B.2.8
Interviews in examination procedure, IV.B.2.8.2
Telephone conversations in examination procedure, IV.B.2.8.1
Information provided by telephone and legitimate expectations, III.A.2.4
Infringement - scope of protection, II.A.6.3.6
Infringement proceedings pending - acceleration of proceedings, IV.D.6
In-house knowledge not published before the priority date, I.C.1.4
Inspections of files, III.M
Register of Patents, III.M.2
Stay of proceedings, III.M.3
Institutional matters, VII
Administrative Agreements concluded by the European Patent Office, VII.4
Extension Ordinances, VII.3
Legal status of the boards of appeal, VII.1
Rules of Procedure of the Boards of Appeal - power to amend, VII.2
~ decisions, IV.E.2.2.3
~ of the boards of appeal, IV.E.6.2
~ decisions in opposition procedure, IV.D.7.2
Maintenance of the European patent as amended, IV.D.7.2.2
~ revision, IV.E.2.9
Amended claims, IV.E.4.3.3.e
Reimbursement of appeal fee, IV.E.2.9.2
Reimbursement of appeal fee in case of ~, IV.E.8.4
~ generalisation - amendments, II.E.1.2
~ products - unity of invention, II.B.2.3
~ products in chemical inventions, I.D.9.8.4
Internal decision-making process, III.K.3.2
Internal structure of a product and prior use, I.C.1.9.9.b
International Searching Authority - unity of invention, II.B.3.2
International treaties not within the scope of the EPC, VII.3.1
Internet, I.C.2.5
~ and availability to the public, I.C.1.9.4
~ - relevance of Article 69 EPC, II.A.6.3.2
~ of ambiguous terms, II.A.6.3.3
~ of claims, II.A.6
Description and drawings to interpret claims, II.A.6.3
Meaning of terms in claims, II.A.6.2
~ of the EPC, III.H
Boards of appeal, III.H.3.1
Boards of appeal not formally bound by decisions of the Administrative Council, III.H.4
Implementing Regulations, III.H.5
~ affected by TRIPs Agreement, III.H.2
Interpretation of the various language texts of the EPC, III.H.7
National decisions, III.H.3
Vienna Convention on the Law of Treaties, III.H.1
~ same invention, II.D.2.1.1
Interpreting in oral proceedings, III.C.4.10
~ in delivery of mail - extension of time limits, III.D.1.3
~ of proceedings, III.D.3
~ and re-establishment of rights, III.E.5.4
~ because of insolvency, III.D.3.6
~ because of legal incapacity of applicant or patent proprietor, III.D.3.3
~ because of legal incapacity of representative, III.D.3.4
Intervention, IV.C.3
Admissibility of ~, IV.C.3.1
Fees for ~, IV.C.3.1.6
~ in appeal proceedings, IV.C.3.1.4.b
~ in opposition appeal proceedings - reimbursement of appeal fees, IV.E.8.1.6
~ in opposition proceedings, IV.C.3.1.4.a
Legal status of intervener, IV.C.3.2
National infringement proceedings, IV.C.3.1.3
Third party, IV.C.3.1.1
Time limit for ~, IV.C.3.1.5
Withdrawal of appeal after filing of ~, IV.E.6.3.4
Interviews in examination procedure, IV.B.2.8.2
Intrinsic features, I.C.3.4
Invention to be performed over whole range claimed, II.C.4.4
Invention under Article 52(1) EPC, I.A.1.4
Apparatus constituting a physical entity, I.A.1.4.6
Contribution approach - technical inventions, I.A.1.4.1.a
Methods carried out on a physical entity, I.A.1.4.5
Methods involving technical means, I.A.1.4.4
Technical and non-technical features, I.A.1.4.3
Inventive step 
Analogous use, I.D.9.6
Analogy process, I.D.9.17
Automation, I.D.9.18.4
Closest prior art, I.D.3
Improvement of a production process for a known product, I.D.3.5
Old prior art documents as closest prior art, I.D.3.6
Same purpose or effect, I.D.3.2
Selection of most promising starting point, I.D.3.4
Similarity of the technical problem, I.D.3.3
Combination inventions, I.D.9.2
Partial problems, I.D.9.2.2
Combination of documents, I.D.9.7
Combination of teachings, I.D.9.3
Could-would approach, I.D.5
Disclaimer, I.D.9.14
Enhanced effect, I.D.9.18.5
Equivalents, I.D.9.9
Ex post facto analysis, I.D.6
Expectation of success, I.D.7
Features not contributing to the solution of the problem, I.D.9.5
Improvement of properties, I.D.9.13
New use of a known measure, I.D.9.11
Obvious alternatives, I.D.9.18.9
Obvious new use, I.D.9.12
Optimisation of parameters, I.D.9.15
Problem and solution approach, I.D.2
Problem inventions, I.D.9.10
Purposive selection, I.D.9.18.3
Reversal of procedural steps, I.D.9.18.2
Secondary indicia, I.D.10
Age of documents, I.D.10.3
Bonus effect, I.D.10.8
Commercial success, I.D.10.5
Comparative tests, I.D.10.9
Market competitors, I.D.10.6
Satisfaction of a long-felt need, I.D.10.4
Simple solution, I.D.10.7
Surprising effect, I.D.10.8
Technical prejudice, I.D.10.2
Time factor, I.D.10.3
Selection of most promising starting point, I.D.3.4
Confidential prior art and inventive step, I.D.3.4.5
Defective disclosure, I.D.3.4.4
Simplification of complicated technology, I.D.9.18.6
Skilled person, I.D.8
Definition of the skilled person, I.D.8.1
Everyday items from a different technical field, I.D.8.4
Neighbouring field, I.D.8.2
Skilled person and level of knowledge, I.D.8.3
Substitution of materials, I.D.9.6
Technical problem, I.D.4
Alleged advantages, I.D.4.2
Alternative solution to a known problem, I.D.4.5
Formulation of the technical problem, I.D.4.3
Post-published documents, I.D.4.6
Reformulation of the technical problem, I.D.4.4
Invitation to file observations in opposition procedure, IV.D.5.4.2
IPER - examination procedure, IV.B.2.7.4
IPER - right to be heard, III.B.1.3.16
Is it essential test - amendments, II.E.1.7.2
Isolated mistake within a satisfactory system, III.E.4.4
Cross-check and re-establishment of rights, III.E.4.4.3
Deficiencies in computerised systems - re-establishment of rights, III.E.4.4.6

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