Guidelines for Examination
PART C
 CHAPTER IV PATENTABILITY
9. Inventive step
9.10 Indicators 		 

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PART C
CHAPTER IV PATENTABILITYCHAPTER IV PATENTABILITY
9. Inventive step9. Inventive step
  9.9 Combining prior-art documents9.9 Combining prior-art documents     9.11 Arguments and evidence submitted by the applicant9.11 Arguments and evidence submitted by the applicant  
 

9.10

Indicators

 
9.10.1 Predictable disadvantage; non-functional modification; arbitrary choice

9.10.2 Ex post facto analysis; surprising technical advantage

9.10.3 Unexpected technical effect; bonus effect

9.10.4 Long-felt need; commercial success

Index:CHAPTER IV PATENTABILITY9. Inventive step 9.9 Combining prior-art documents 9.11 Arguments and evidence submitted by the applicant

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