20 years
- 25 years 
- via Paris Convention : 6 months from earliest priority date 
- Yes (reason: due care), a request for restoration of rights can be filed within 2 months from the date of removal of the obstacle 
- Hungarian Intellectual Property Office - English: Hungarian Intellectual Property Office, abbreviation: HIPO - URL: http://www.hipo.gov.hu/en - Hungarian Patent Search: epub.hpo.hu/e-kutatas/?lang=EN 
- The novelty grace period in Hungary is 6 months before the filing date if disclosure occurs: - - due to abuse of the rights of the applicant or his predecessors; 
 - because the applicant or the predecessor of the right holder has exhibited the invention at an exhibition duly recognized by the Hungarian Intellectual Property Office.
- The novelty grace period in Hungary is 6 months before the filing date if disclosure occurs: - - due to abuse of the rights of the applicant or his predecessors; 
 - because the applicant or the predecessor of the right holder has exhibited the invention at an exhibition duly recognized by the Hungarian Intellectual Property Office.
- no 
- Hungarian Intellectual Property Office - English: Hungarian Intellectual Property Office, abbreviation: HIPO - URL: http://www.hipo.gov.hu/en - Hungarian Patent Search: epub.hpo.hu/e-kutatas/?lang=EN 
- Yes (reason: due care), a request for restoration of rights can be filed within 2 months from the date of removal of the obstacle 
- via Paris Convention : 12 months from earliest priority date
- via Nationalization of PCT : 31 months from the earliest priority date (Applications may be filed within 3 months of expiry of the 31-month period, subject to payment of additional fees.)
- Ways to take effect in Europe: within 3 months of the European patent grant announcement date
 
