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China Creates Online Platform for Drug Patent Registration

China creates new
Registry for drug patents,
Like the “Orange Book”

China’s National Medical Products Administration (NMPA) and the China National Intellectual Property Administration (CNIPA) have new implementation measures for early dispute resolution mechanisms for drug patents, effective now.

As part of this process, China has created a new public registration platform with patent information for all drugs allowed to be marketed in China. This is similar to the “Orange Book” in the United States.

By the way, according to Pharmacy Times, this is how the Orange Book got its name:

The first print publication occurred October 1980, and the color orange was selected since it was almost Halloween. Donald Hare, a pharmacist who previously worked at the FDA is commonly referred to as ‘the father of the Orange Book’ and helped to select the book color.

The Orange Book – more properly known as the  publication Approved Drug Products with Therapeutic Equivalence Evaluations – “identifies drug products approved on the basis of safety and effectiveness by the Food and Drug Administration (FDA) under the Federal Food, Drug, and Cosmetic Act (the Act) and related patent and exclusivity information.”

The Orange Book is available both online and as an app.

The Orange Book doesn’t list biological products such as vaccines (including those for COVID-19). These are listed in the publication Lists of Licensed Biological Products with Reference Product Exclusivity and Biosimilarity or Interchangeability Evaluations — commonly known as the Purple Book.

(The Purple Book debuted on FDA’s website in 2014.  It’s reportedly called the Purple Book because the cover of the printed edition of the 2014 Code of Federal Regulations is purple.)

China’s new directory doesn’t appear to have a color designation. It does require that the following information must be listed about each drug:

  • drug name
  • dosage form
  • specification
  • patent number
  • patent type
  • patent status
  • patentee
  • patent licensee
  • marketing authorization holder
  • patent grant and expiry date
  • contact information
  • how the patent claims correspond to the drug

Types of drug patents that can be listed are:

  • small molecule
  • biologics
  • traditional Chinese medicines

Users will be able to update information in the system themselves. Drug manufacturers/distributors must register drugs in the system within 30 days after receiving marketing authorization for a drug and must also update the system within 30 days of any status change.

As Managing IP reported, in October of 2020 China adopted a pharmaceutical patent linkage system. This took effect in June 2021.

“Patent Linkage” is the system whereby a national drug regulatory authority (such as the FDA in the US) and the National Patent Office communicate to prevent the marketing approval of generic versions of drugs until after the patents for the original versions have expired.

Under the new Chinese system, as Managing IP notes,

When filing for regulatory approval, a chemical generic drug applicant is obligated to make a statement with reference to each drug patent whose information has already been registered with the patent information registration platform (Rule 6). Such statement is categorised as follows:

(I)            There is no existing patent relating to the generic drug application.

(II)           The patent to be exploited by the generic drug has expired or has been declared invalid.

(III)          There is an existing patent relating to the generic drug application and the generic drug manufacturer agrees to seek regulatory approval upon the expiration of such patent.

(IV)         The validity of the patent to be exploited by the generic drug should be declared invalid or the generic drug does not fall into the protection scope of such patent.

The granting of regulatory approval for a chemical generic drug hinges on the technical assessment outcome, should a category (I) or (II) statement be filed. Regulatory approval (upon the expiration of the pertinent patent) could be granted to a chemical generic drug after technical assessment, in case of a category (III) statement. In the scenario of a category (IV) statement, the granting of regulatory approval is premised on the affirmation of patent invalidity and the determination of non-infringement (Rules 9 and 10).


Just like the haiku above, we like to keep our posts short and sweet. Hopefully, you found this bite-sized information helpful. If you would like more information, please do not hesitate to contact us here.

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