Please be informed that we will change our Email addresses as follows:
siasia@loxinfo.co.th                           change to         info@siasia.co.th
iguchi@loxinfo.co.th                          change to         iguchi@siasia.co.th
siasia_account@csloxinfo.com           change to         account@siasia.co.th
The old Emails can be used until the end of March 2022. 

Please update our contact Emails as following details:
Patent Department:                 patent@siasia.co.th
Trademark Department:          trademark@siasia.co.th
Design Department:                design@siasia.co.th
Foreign Patent Filing:             foreign-patent@siasia.co.th
Search Department:                search@siasia.co.th  
Account Department:              account@siasia.co.th
General information:               info@siasia.co.th

We apologize for this inconvenience. 
Best wishes for a Happy New Year 2022.