Although Chiari malformation may be present with no symptoms at all, this crowding can cause a backup of spinal fluid in the spinal canal which often results in problems which may or may not change in the adult such as: Sub-occipital pressure headache, especially when coughing, sneezing or straining.
Patent applications involve lots of text and drawings, even for simpler inventions. The first step in the patent application process is to file a non provisional patent application, which involves paying attorney fees in the range of $5000 to $15,000 or more, depending on the intricacies of the invention. The amount you spend on a patent application will also depend on the market opportunities.
D. Patent Filing and Prosecution Costs. The total cost for filing and prosecution of a Chinese patent for invention, including fees for application, printing, examination, priority request, registration, and annuity is around 14000 Chinese Yuan, which is roughly equivalent to A$2200.See the All-China Patent Agents Association website for more information about finding a SIPO-authorised patent agent). The cost for filing patent application in a single country is roughly $6,450 (US dollars).