I. MAINTAIN THE VALIDITY OF AN INVENTION PATENT
In order to maintain the validity of the patent, the invention/utility solution patent holder must pay the annual patent validity maintenance fee within 06 months before the validity of the patent expires (from the date of grant of the patent) and paid late within the 6-month grace period with late fee.
An Invention patent is valid for a maximum of 20 years from the filing date and is non-renewable. The Utility Solution patent is valid for a maximum of 10 years from the date of application and is non-renewable.
II. TIME LIMIT
Under IP regulations, it takes 01 months for recordal of maintenance.
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