My name is ***** ***** I am a NSW Solicitor. Thank you for your question, and will do my best to assist you with your question. Please understand this is not legal advise Please understand this is not legal advise but a guide to assist you.
Patents in Australia are granted by IP Australia
You have to talk to them and they can provide you details of patent attorneys that do this type of work
Here is a link that will allow you to search for them
Alibaba is like ebay where sellers go online to sell products. If you are the one that has designed the items then you can apply but the attorney can assist you in all of this and the process.
I would suggest that before you do anything further and spend money you should contact a patent atttorney and they will go through the process with you. It is a specialised area and they are the correct people to talk to.
I hope this makes sense and is of assistance. If there is nothing further
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