What are the key timeline and expenses for patent filing?

Expenses (legal and official fees) will be incurred during patent filing. Estimated costs of different types of patent applications from filing to issuance are as the following:

US Provisional Patent: HK$10,000 – HK$50,000
US Non-Provisional Patent: HK$200,000 ‒ HK$500,000
PCT Application: HK$50,000 ‒ HK$80,000 (not including national phase entry)
Chinese Patent: HK$150,000 ‒ HK$250,000
Hong Kong Short-Term Patent: HK$25,000

The below diagram shows the usual timeline and expenses of patent filing process starting with a US provisional patent application: