Others can show the evidence against you to the patent office for free, and prevent your patent authorization.
2. Without any modification, the appearance and practicality will be authorized for 4 to 6 months, and then the certificate will be announced in about 3 months; Patents can be found after the announcement.
3. The invention is authorized for 3 to 6 years. However, the invention does not have to wait until the authorization announcement is issued, so the patent can be found. Generally, it must be published within1August, or it can be published in advance.