Skip to content
Auriga accounting
Edit Content
auriga accounting

The Legacy of Innovation: What Happens After 20 Years of Patents Expire


In the world of intellectual property, patents serve as both a shield and a catalyst for innovation. They grant inventors exclusive rights to their inventions for a limited time, fostering creativity and technological advancement. However, these exclusive rights are not eternal. Patents typically have a lifespan of 20 years from the filing date, after which they expire. What follows the expiration of patents is a transformative phase that significantly influences markets, competition, and the trajectory of technological progress. In this article, we will explore the multifaceted impact of patent expiration, shedding light on the opportunities, challenges, and broader implications for industries and society.

What Happen after 20 year's of patent's ?

After the expiration of a patent, which typically occurs 20 years from the filing date, the invention enters the public domain. This means that the exclusive rights granted by the patent are no longer in effect, and the invention becomes freely accessible to the public. Several significant events and consequences follow the expiration of a patent:

1. Public Access and Use: Once the patent expires, the technical information and details about the invention become publicly available. Anyone can use, make, sell, or distribute the patented invention without seeking permission from the patent holder.

2. Competition: With the expiration of the patent, competitors can enter the market with similar products or processes. This increased competition often leads to a wider variety of options for consumers and can result in reduced prices due to market forces.

3. Innovation and Further Development: The expiration of patents promotes innovation and further development. Inventors, researchers, and businesses can freely build upon the expired technology, leading to advancements and improvements in the field.

4. Generic and Affordable Versions: In the case of pharmaceuticals and certain other products, the expiration of patents often leads to the availability of generic versions. Generic drugs, for example, are often more affordable, making essential medications accessible to a broader population.

5. Technological Progress: Expired patents contribute to the overall body of knowledge in a particular field. Researchers and scientists can study these inventions, leading to the advancement of technology and the development of new ideas.

6. Licensing and Collaborations: Patent holders might choose to license their technology to others even after the patent has expired. Collaborations and partnerships between businesses and researchers can still occur, leveraging the knowledge and expertise gained from the expired patent.

7. Historical Importance: Some patented inventions have historical significance. Even after the patent expires, these inventions are studied for their impact on society and technology, serving as important milestones in the history of innovation.

8. Patent Holder Strategies: Patent holders often anticipate the expiration of their patents and may have strategies in place. This could include diversifying their product lines, focusing on new innovations, or transitioning to a service-based model.

9. Challenges for Businesses: Businesses that relied solely on the protection of a specific patented product may face challenges when the patent expires. They need to adapt, innovate, or find new revenue streams to maintain their market position.

10. Global Impact: The expiration of patents has a global impact, influencing markets and competition worldwide. It fosters a level playing field, encouraging businesses to continually innovate to stay ahead in the market.

disadvantages of patent expired

The expiration of a patent can bring about several disadvantages for inventors and businesses, including:

1. Increased Competition: Once a patent expires, competitors can freely enter the market with similar products or technologies. This heightened competition can lead to a reduction in market share and potentially impact sales and profits.

2. Loss of Market Exclusivity: During the patent period, the patent holder has exclusive rights to the invention, allowing them to control its use and commercialization. Once the patent expires, this exclusivity is lost, making it challenging to maintain the same level of control over the invention’s use in the market.

3. Price Erosion: With the entry of generic or similar products, there is often a downward pressure on prices. Increased competition can lead to price erosion, reducing the profit margins for the original product.

4. Impact on Revenue Streams: For companies that heavily rely on patented products for revenue, the expiration of patents can significantly impact their income streams. This can be particularly challenging if the business has not diversified its product portfolio or established new revenue sources.

5. Loss of Negotiation Power: Patents can be valuable assets in negotiations, such as licensing agreements or partnerships. Once the patent expires, the negotiating power of the patent holder diminishes, potentially affecting the terms and conditions of future agreements.

Patents Have it's benefits and features

Patents are legal protections granted by governments to inventors, providing them with exclusive rights to their inventions for a limited period, usually 20 years from the filing date. Patents encourage innovation by allowing inventors to benefit financially from their inventions. Here are the key features of patents:

1. Exclusive Rights: Patents grant inventors exclusive rights to make, use, sell, and license their inventions, preventing others from exploiting the patented technology without permission. This exclusivity encourages inventors to invest in research and development.

2. Territorial Rights: Patents are territorial, meaning they are only valid within the specific country or region where they are granted. Inventors must file separate patent applications in each country where they seek protection.

3. Patentable Subject Matter: Patents can be granted for new and useful processes, machines, manufactures, compositions of matter, or new and useful improvements of existing inventions. However, laws vary between countries, and not all inventions are patentable.

4. Non-Obviousness Requirement: To be patentable, an invention must be non-obvious, meaning it should not be an obvious improvement over existing technologies to a person skilled in the relevant field. The invention should involve an inventive step.

5. Utility Requirement: Patents are granted for inventions that have practical utility. The invention should serve a useful purpose, and the patent application must describe how the invention can be used.

6. Enforceable Through Legal Action: Patent owners have the right to enforce their patents through legal action. If someone infringes on a patented invention, the patent owner can file a lawsuit to stop the infringement and seek damages or other remedies.

7. Licensing and Transfer: Patent owners can license their patents to others, allowing them to use the patented technology in exchange for royalties or other financial arrangements. Patents can also be bought, sold, or transferred like other forms of property.

Why You Choose Auriga Accounting Services For Patent Registration ?


Auriga Accounting Private Limited is a technology driven platform which provides legal & financial services through its team of professionals. Auriga Accounting Private Limited provide expert services which can get your new business off to a flying start. We are Compliance and finance officers for your business. Here you get simple and affordable online company registration and range of essential services. A world class technology – driven platform, offering end to end service from startup to well established firm.


A business agency is a company such as, We Auriga Accounting, that provides a specialized service to their clients. Often, agencies act on behalf of another company, group or individual to manage a segment of their business.

No. 01 CA Firm Company in INDIA is Auriga Accounting.Hassle Free Services. We Got 17+ National Awards & 5+ International Awards.

Some key aspects of business services include: