What are SPCs?

Updated:
2026-10-14
READ:
7 min.

Supplementary Protection Certificates (SPCs) extend the life of pharmaceutical and plant protection patents beyond the original patent term. The supplementary protection certificate (SPC) compensates the patent owner for the time lost during the regulatory approval process and extends the patent protection for specific products for a period of up to five years. They incentivize companies to invest in new and improved products, leading to advancements in public health and agricultural productivity. This, in turn, generates smart growth and creates jobs, enhancing the economic impact of these industries.
 
Understanding SPCs and their benefits is essential for anyone developing pharmaceutical and plant protection products. By strategically using SPCs, innovators can better protect their intellectual property and ensure long-term success in their respective markets.
 

What are Supplementary Protection Certificates?

 
Supplementary protection certificates (SPCs) extend patent rights for specific medicinal and plant protection products. Typically, patents protect these innovations for 20 years. However, the lengthy regulatory trials and approval processes often prevent patent holders from fully benefiting from this entire term. SPCs can extend the patent term by an additional five years, allowing innovators to fully capitalize on their medicinal active ingredient products once they reach the market.
 

SPC in Europe

 
SPCs are available in many European countries, including the UK, all EU member states, Switzerland, Norway, Iceland, and Liechtenstein.
 

What Qualifies for an SPC?

 
An SPC may be based on any patent that protects the active ingredients of an authorized medicinal product or plant protection product. It can also be based on the basic patent that protects a preparation containing the active ingredients, the method of producing them, or their use for a particular disease or symptom.
 

Additionally, the regulatory authorities may extend an SPC for a medicinal active ingredient for a further six months if it undergoes appropriate pediatric testing.

 

Medicinal Products

 
Medicinal products include drugs and therapies designed for human or veterinary use. These can range from life-saving medications to treatments for chronic conditions. Some examples of medicinal products that may qualify for an SPC include:
 

●       Medicines for conditions like cancer, diabetes, or cardiovascular diseases

●       Complex therapies derived from living organisms, such as vaccines or monoclonal antibodies

●       Veterinary medicines, such as antibiotics or anti-parasitic drugs
 

Plant Protection Products

 
Plant protection products are substances or mixtures intended to protect plants from harmful organisms or diseases. These products are crucial for maintaining agricultural productivity and ensuring food security. Some examples include:

 

●       Herbicides used to control or eliminate unwanted vegetation

●       Insecticides designed to protect plants from harmful insects

●       Fungicides that prevent or eliminate fungal infections in plants

 

To qualify for an SPC, the product needs approval for sale in the European Economic Area (EEA) and must not have been subject to an SPC before. The patent must remain in force in the country seeking the SPC, and the product must have received its first authorization for sale.
 

Term of an SPCs

 
SPCs generally extend patent protection for an additional five years beyond the original patent expiration date. To calculate the term, subtract five years from the time between the filing date of the original patent and the date of the first marketing authorization in the EEA.
 
For pediatric medicines, an additional six-month extension is available if the submission of data follows a Pediatric Investigation Plan (PIP). Consequently, this extra time compensates for the additional clinical trials and testing required for PIPs.
 

How Does an SPCs Work?

 
Supplementary protection certificates (SPCs) are granted through a process similar to a patent application. To obtain a supplementary protection certificate, you must file an application and go through an examination period.
 

Filing the Application

 
First, file an application with the national patent office in the country where the patent is held and where the product is authorized. Typically, there is a six-month deadline to file an SPC application, triggered by the date of marketing authorization. However, in some countries, this deadline can be shorter, ranging from three months to as little as 60 days.

 

If the authority grants the patent after issuing the marketing authorization, they usually calculate the SPC filing deadline from the patent grant date.
 

Examination

 
The application undergoes a thorough review to ensure it meets all necessary criteria. This process includes several steps:

 

  1. Eligibility Check: The examining authority checks that the product qualifies for an SPC.
  2. Patent Validity: The validity of the original patent is scrutinized. The patent must be in force in the country where the SPC application is filed and must protect the active ingredient, method of production, specific use, or preparation of the product.
  3. Marketing Authorization Proof: The application must include proof of the first marketing authorization in the EEA. The examining authority ensures that this authorization is valid and pertains to the product for which the SPC is sought.
  4. Deadline Compliance: The examiners will check that the SPC application was filed within the required deadline, typically six months from the date of the marketing authorization or, if later, the date of the patent grant.
  5. Document Review: All supporting documents, including detailed descriptions and justifications, are reviewed for accuracy and completeness.

 

Grant

 
If the authority approves the application, it grants the SPC and calculates its term based on the specific rules and guidelines of the jurisdiction. Once granted, the SPC takes effect immediately after the original patent expires, thereby providing continued exclusive rights to the patent holder.
 

Steps to Take if Your Application is Denied

 
Several reasons can lead to the rejection of SPC applications, such as the product’s ineligibility, the patent’s invalidity, incorrect or incomplete documentation, or failure to meet deadlines.

 

If an application is denied, it’s crucial to review the rejection notice to understand the specific reasons for the decision. Applicants should first address any deficiencies identified promptly. Many jurisdictions also allow for an appeal.
 

Recent Changes

 
The European Commission is considering reforms to simplify the SPC system and increase its efficiency. One significant proposal is the introduction of a unitary SPC, which would allow for a single application to cover multiple EU member states. Moreover, this change aims to ensure consistent requirements and standards for applicants, regardless of the country in which they apply.

 

They’ve also proposed enhancing the digital infrastructure for SPC applications, allowing for electronic submissions and processing. This shift toward digitization should speed up the application process and improve transparency and accessibility for applicants.
 

Maximizing Patent Protection with SPCs

 
SPCs are a valuable tool for extending the exclusivity of medicinal and plant protection products. By compensating for the time lost during regulatory approval, SPCs help innovators protect their investments. Consequently, they also encourage continued research in vital sectors.
 

 
Anyone involved in developing medicinal or plant protection products must understand the qualifications, application process, and term calculations of SPCs. Therefore, with proper planning and timely applications, SPCs can significantly maximize the commercial potential of patented products.
 

Got questions?

 

Looking to secure a PCT patent, navigate the patent application process, or protect your trademark? Our team can guide you through conducting a thorough patent search and filing your application. Whether you need advice on how to patent an idea, consultation for unitary patent, UP transilations, understand patent office requirements, or protect against infringement, we’re here to help.

 

Reach out to our team and consult on a case-by-case basis

Dalintis
Dr. Jacekas Antulis
Dr. Jacekas Antulis

Dr Jacekas Antulis has 12 years of experience in the field of invention patenting. He specialises in the protection of inventions in mechanics, electronics, laser physics and IT. He advises Lithuanian and foreign companies on the protection of inventions. Jacekas provides consultations, delivers seminars on patenting and the protection of inventions, and writes articles on the protection of inventions.

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