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Sources of information about patents in Portugal

Where can I search Portuguese patents in English?
The English website of the Industrial Property Office of Portugal (INPI) offers a free search engine for Portuguese patent information:
Industrial Property Office of Portugal (INPI) search page in English
If the previous page does not load, try changing the language to 'EN', then retry. 

Espacenet by the European Patent Office also has a fair coverage of Portuguese patent documents: 
Free access patent search at Espacenet
 
Where can I find English abstracts of Portuguese patent documents?
You can find English machine translations of abstracts of Portuguese invention patents in Espacenet: Espacenet
 
Where can I find legal-status information on Portuguese patents in English?
You can find English legal status information on Portuguese invention patents, free of charge, in the website of the Industrial Property Office of Portugal (INPI):
Industrial Property Office of Portugal (INPI) search page in English
If the previous page does not load, try changing the language to 'EN', then retry. 

The Office disclaims the completeness and legal standard of proof provided by the online legal status, such that if legal certainty is required, it is recommendable obtaining specialized assistance.

Note that legal status information for Portuguese patents or applications in Espacenet may not be complete. You should therefore cross-check your results with the corresponding information in the website of the Industrial Property Office of Portugal (INPI) or obtain specialized assistance.
 
Can I access the documents in the file of a Portuguese patent application?
A list of relevant documents belonging to the application file can be accessed free of charge through the website of the Industrial Property Office of Portugal (INPI).
Industrial Property Office of Portugal (INPI) search page in English
If the previous page does not load, try changing the language to 'EN', then retry. 

However, full file access is currently not available. File inspections (full copy of the file wrapper, in paper or electronic form) may be ordered from the Industrial Property Office of Portugal (INPI), directly or through us.

Where can I find information about patents in Macao?
Macao is a former colony of Portugal, who administered the region until the handover to China on 20th December 1999. Macao is covered by international treaties as a Chinese territory, but special provisions do apply. You can find information about patents in Macao on the Macao Special Administrative Region Economic Service website:
Macao Special Administrative Region Economic Service

Official websites of general interest to industrial property

Industrial Property Office (INPI) 
www.marcasepatentes.pt
(English version available)

Institutionalised arbitration (Arbitrare)
www.arbitrare.pt 
(English version available) 

Where can I find official information about patent fees in Portugal?

You can find official information about patent fees on the Industrial Property Office of Portugal's (INPI) website:
List of fees at the Industrial Property Office of Portugal's (INPI) 
Though it is very useful for understanding the fee structure, the English language fee list may not be fully up to date not being legally binding, with the most recent official fees being here in Portuguese (as of 01.07.2015). 

Where can I find the patent bulletin with legal status information?

The Portuguese Industrial Property Office (INPI) publishes a daily bulletin (working days) in Portuguese.
It can be accessed at the following address:
Industrial Property Bulletin
As this information is not available in the English language version of the site, if the page does not load, try changing the language to 'PT', then retry.