Regulation 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 23. 24. 25. 26. 27. 28. Request for authority to file application abroad. Unity of inventions. Amendment Declaration claiming priority. Waiver of fees. Withdrawal of application. Filing date and examination of the form of an application. Filing date Confidentiality of application before publication Publication of application. International-type search. Examination as to substance. Notification of refusal to grant patent Notification of grant of patent Grant of patent. Publication of grant of patent International applications 29. 30. 31. 32. 33. Filing requirements for international or regional application Entry of international application to national phase. Conversion of refused international application. Conversion of refused regional application. Publication of certain international applications Rights and obligations of the applicant or the owner of the invention 34. 35. 36. 37. Parallel importation Annual fees. Lapse of patent for nonpayment of annual fees. Restoration of application or patent. Change in ownership 38. Change of ownership of application or patent. Contractual licences 39. Petition to register licence contracts. 40. Registration of contracts. 41. Licences as of right. 206