yes. As long as the application is not abandoned, the patent type can be converted from invention to utility model within 3 months of filing the invention patent application, or within 3 months from the date when IMPI requires the applicant to make the conversion, after paying the relevant fees.
- via Paris Convention : 12 months from earliest priority date.
 - via Nationalization of PCT : 30 months from the earliest priority date.
 
As a PCT filing office, it accepts the restoration of the right of priority on the grounds of "unintentional".
6-8 months
yes
Filing Language: Spanish
Necessary documents:
- Exterior Design Picture (Six Views)
 - A Brief Description
 
Attachments (if any):
- Certified Priority Document
 - Power of Attorney
 - Certified Priority Document
 - small entity declaration
 - Declaration of Ownership/Certification of Employment/Assignment of priority
 - Assignment for Patent Right Transfer
 
Mexican Institute of Industrial Property
English: Mexican Institute of Industrial Property, abbreviation: IMPI
URL: www.impi.gob.mx
Mexican Invention Patent Search: Search -- FOLLOW (impi.gob.mx)
Filing Language: Spanish
via Paris Convention via Nationalization of PCT Necessary documents:
- Abstract
 - Abstract Drawing
 - Claim
 - Specification
 - Drawing
 
Necessary documents:
- Abstract
 - Abstract Drawing
 - Claim
 - Specification
 - Drawing
 
Attachments (if any)
- Sequence Listing (PDF format and TXT format)
 - Scanned Copy of Certified Priority Document / DAS
 - Power of Attorney
 - small entity declaration
 - Declaration of Ownership/Certification of Employment/Assignment of priority
 - Assignment for Patent Right Transfer
 - Notification issued by CNIPA notify the applicant the application has passed through the security review
 
Attachments (if any)
- WIPO Publication
 - ISR/IPRP
 - Entry into the Mexican national phase 19/28/34/41 Amendments
 - Power of Attorney
 - small entity declaration
 - Declaration of Ownership/Certification of Employment/Assignment of priority
 - Assignment for Patent Right Transfer
 
25 years
15 years
yes. As long as the application is not abandoned, the patent type can be converted from utility model to invention within 3 months of filing the utility model patent application, or within 3 months from the date when IMPI requires the applicant to make the conversion, after paying the relevant fees.