The protection period of the original research patent should also be asked clearly. For drugs, "drug patent expiration" often refers to the expiration of the core compound patent, because the patent cannot be bypassed, while other patents in the process of drug research and development may be bypassed. But generally speaking, when applying for a compound patent, the drug has not yet been listed, that is, there is no current generic name for the drug. Therefore, when searching, we need to judge by the characteristics of some original patents.
Three main characteristics of the original drug patent text;
1. There is no INN name of the drug in any field in the whole record, but there will be substance nouns in the title field.
2. The title and/or abstract field will contain words with pharmacological activity or therapeutic effect.
3. The applicant or patentee has the name of the original research company (usually a large international enterprise).
Patent protection period of drugs
In general, the database is used to query the patent protection period of drugs. Because most drugs are foreign, the opportunities on foreign websites are all in foreign languages, and the experience may be bad. Therefore, the global patent database is used to query the patent protection period information of drugs. The database contains more than 4 million patents related to drugs in more than 50 countries and regions such as CN, WO, US and GB, covering patent information including patent name, owner, inventor, patent application date, priority number, patent of the same family, etc. The database aims to provide data support, service support and innovation fulcrum for the government, parks, medical enterprises, universities and various professional service institutions through the collection, integration, analysis, correlation, retrieval and push of medical patent big data, as well as data mining, knowledge discovery and policy analysis based on artificial intelligence.
Global patent data
During the period of drug patent protection
Generic drug companies will not honestly wait for your original drug patent to expire before listing. They will try their best to get the approval of listing in advance and pass the patent challenge of section IV in the United States. This is also allowed by laws and regulations.
Generally speaking, an original drug can not be challenged except for the compound patent (expired first), and other patents including crystal form, preparation and application may be challenged. Once the challenge is successful, the patent will be terminated, and generic drugs can be listed in advance to obtain huge benefits.
The above is how to inquire about the specific method of drug patent protection period. Patent data is very important and is one of the core points of a pharmaceutical company. If generic drugs are not listed, the price of the original drug will gradually decline, which will lead to the withdrawal of the original drug from the market and basically leave it to generic drugs. After all, the logic of making money by original pharmaceutical companies is different from that of generic drugs. It is the original pharmaceutical company that obtains excess profits through the protection period, so it is necessary to thoroughly understand the patent data of drugs at this point.