COMMON PATENT QUESTIONS Common Questions | |
| 01 | What are the differences between invention patents utility model patents and design patents An invention patent generally covers a new technical solution and may remain valid for 20 years. A utility model patent mainly covers the shape structure or combination of a product and may remain valid for 10 years. A design patent mainly covers the appearance of a product and may remain valid for 15 years. |
| 02 | Can a patent still be filed after a product has been made public or sold A patent application normally needs to meet novelty requirements. Public use sale publication or display may affect the application result. It is therefore advisable to file before the product is released displayed or sold. |
| 03 | What materials are needed before filing Useful materials may include a technical description product drawings process charts test data use scenarios existing technical issues and the main improvements. We help clients prepare the technical materials based on each project. |
| 04 | How long does a patent application take The time required varies by patent type and official review progress. Utility model and design applications are generally completed sooner than invention applications. The actual period depends on the technical field case details and review progress. |
| 05 | Is a faster review process available Some applications may qualify for faster review programs. Availability and timing depend on the applicant technical field filing location and case details. A faster process does not guarantee a successful result. |
| 06 | Why is a patent search useful A patent search can help identify existing technology and support decisions on filing direction and possible results. It can also support product launch checks competitor research and preparation for related patent matters. |
| Patent filing and review results depend on the technical solution existing technology document quality and official review. The suitable approach should be assessed based on the details of each case. |