Patent protection gives inventors and businesses the legal right to prevent others from using certain protected inventions or designs without authorization. But obtaining a patent is only the first part of the process.
A strong patent strategy also requires choosing the right type of protection, filing in the markets that matter to your business, monitoring for unauthorized use, preserving evidence, and enforcing the patent when infringement occurs.
That becomes especially important for brands operating internationally. Patent rights are territorial, meaning a patent registered in one country does not automatically create equivalent protection everywhere else. Businesses sourcing, manufacturing, or selling internationally therefore need to think about patent protection market by market.
This guide explains how patent protection works, the main types of patents, how to build an enforcement strategy, and what international brands should know about patent enforcement in China.
TL;DR
- Patent protection gives an owner the right to prevent unauthorized use of a protected invention or design in the jurisdictions where the patent is valid.
- Patent rights are territorial. A US patent, for example, does not automatically give the owner enforceable patent rights in China.
- The main US patent categories include utility, design, and plant patents, while China grants invention, utility model, and design patents.
- Utility protection generally covers how an invention works, while design protection focuses on its ornamental appearance.
- Filing a patent does not automatically stop copying. Patent owners need an active monitoring and enforcement strategy.
- Evidence such as URLs, screenshots, seller information, product samples, purchase records, technical comparisons, and claim charts can support enforcement.
- Patent enforcement can involve marketplace complaints, cease and desist letters, administrative action, customs measures, licensing discussions, or litigation.
- Patent enforcement in China requires valid rights in China and may involve civil courts, administrative authorities, customs, or platform-specific enforcement.
- Continuous monitoring is especially important for brands whose patented products are sold or copied across multiple marketplaces.
What is patent protection?
Patent protection is the legal framework that gives the owner of a granted patent exclusive rights over the invention or design covered by that patent.
The exact rights depend on the jurisdiction and patent type, but they commonly allow the patent owner to prevent others from making, using, selling, offering to sell, or importing the patented invention without authorization.
Unlike copyright, patent rights generally require an application and examination process before protection is granted.
A patent also protects only what is actually covered by its claims or protected design. It does not create ownership over an entire product category or every product that looks broadly similar.
That is why understanding the distinction between patent types is important before filing.
What types of patent protection are available?
Patent systems vary by country, but businesses will commonly encounter protection covering technical inventions and product designs.
Utility patents
A utility patent protects functional aspects of an invention, such as how a product works, how it is made, or how it is used.
This can include:
- Machines
- Technical systems
- Manufacturing methods
- Mechanical structures
- Chemical compositions
- Product mechanisms
- Certain software-related inventions
- Improvements to existing inventions
In the United States, utility patents are one of the main forms of patent protection.
If you are deciding between functional and visual protection, see our guide to utility patents vs. design patents.
Design patents
A design patent protects the ornamental appearance of a product rather than its function.
It can protect characteristics such as:
- Product shape
- Configuration
- Surface ornamentation
- Visual patterns
- Certain packaging designs
- The overall ornamental appearance of a manufactured article
Design protection can be particularly valuable for consumer products where competitors may copy a recognizable product appearance without reproducing the underlying technical mechanism.
Plant patents
In the United States, plant patents can protect qualifying new and distinct varieties of plants that are asexually reproduced.
This category is considerably more specialized than utility or design protection but may be relevant to horticulture and agricultural innovation.
Provisional patent applications
A provisional patent application in the US is not itself a granted patent.
Instead, it can establish an earlier filing date and give the applicant a limited period in which to file a corresponding non-provisional application.
Businesses should therefore avoid treating a provisional application as equivalent to an enforceable patent right.
Utility patent vs. design patent protection
The most important distinction for many brands is whether they need to protect a product’s function, appearance, or both.
| Utility patent | Design patent | |
| Main focus | How an invention works, is made, or is used | How a product looks |
| Common targets | Mechanisms, processes, systems, structures | Shape, configuration, ornamentation |
| Infringement analysis | Comparison against patent claims | Comparison against protected design |
| Useful evidence | Claim charts, samples, technical analysis | Product imagery, samples, visual comparison |
| Typical copycat risk | Functional copying | Visual imitation |
Many commercially valuable products need both.
A competitor might change the exterior appearance while reproducing the patented mechanism. Another might avoid copying the mechanism but closely imitate a protected ornamental design.
A layered patent portfolio can address both risks.
How to apply for patent protection
Patent filing is jurisdiction-specific, so businesses should work with qualified patent counsel when deciding what, where, and when to file.
A typical process includes the following stages.
Step 1: Identify what you need to protect
Start by separating the valuable features of the product.
Ask:
- What technical problem does it solve?
- What functional feature is genuinely new?
- What visible design elements make the product distinctive?
- Which elements would competitors be most likely to copy?
The answers will help determine whether utility, design, or multiple forms of protection may be appropriate.
Step 2: Review existing patents and prior art
Patentability generally depends on whether an invention meets requirements such as novelty and inventiveness or non-obviousness.
Searching existing patents, publications, products, and other prior art before filing can help identify potential conflicts and refine the application.
Step 3: Decide where protection is commercially important
Patent protection is territorial.
You therefore need to consider where the invention will be:
- Manufactured
- Sold
- Imported
- Exported
- Licensed
- Distributed
- Most vulnerable to copying
An international business may need protection in several jurisdictions rather than relying on one domestic registration.
Step 4: Prepare and file the application
Patent applications can require detailed technical descriptions, drawings, claims, inventor information, and other formal documentation.
The patent claims are especially important for technical patents because they define the legal scope of the invention being protected.
Step 5: Maintain the patent after grant
Obtaining a patent does not necessarily end the administrative process.
Depending on the jurisdiction and patent type, owners may need to pay maintenance or renewal fees and keep ownership records up to date.
Patent owners should maintain a central record of:
- Patent numbers
- Jurisdictions
- Owners and assignees
- Filing dates
- Grant dates
- Expiry dates
- Renewal requirements
- Licenses
- Enforcement history
How long does patent protection last?
Patent duration depends on the patent type and jurisdiction.
In the United States, utility patents generally have a term of up to 20 years from the relevant filing date, subject to applicable rules and adjustments. US design patents filed on or after May 13, 2015 generally last 15 years from grant.
Other countries use their own rules.
In China, for example, current patent law provides terms of:
| Chinese patent type | General term |
| Invention patent | 20 years from filing |
| Utility model | 10 years from filing |
| Design patent | 15 years from filing |
Patent owners should confirm the precise expiry date of each individual right rather than relying only on the general statutory term.
Does registering a patent automatically stop copying?
No.
A patent creates a legal right, but it does not continuously monitor the market or automatically remove infringing products.
The owner generally needs to detect potential infringement and decide how to respond.
This is particularly challenging online because similar products can appear across:
- Ecommerce marketplaces
- Independent websites
- Social commerce
- Distributor networks
- Domestic marketplaces
- Cross-border sellers
Copycats can also change listing titles, seller accounts, images, or product descriptions to make manual monitoring harder.
This is why registration and enforcement should be treated as two parts of the same patent protection strategy.
How to protect a patent after registration
Effective patent protection combines legal rights with continuous monitoring and an evidence-based enforcement process.
Step 1: Monitor for possible infringement
Search for products that reproduce the patented feature or design rather than relying only on your brand name.
Potential warning signs include:
- Highly similar product designs
- Product descriptions matching patented functionality
- Copies appearing shortly after launch
- Sellers reusing product imagery
- Multiple sellers offering substantially similar products
- Products appearing across several marketplaces
Brands managing several IP rights can combine patent monitoring with a wider IP protection strategy.
Step 2: Confirm that the patent applies
Similarity alone does not prove patent infringement.
For a utility patent, the accused product or process normally needs to be compared against the patent claims.
For a design patent, the analysis focuses on the protected ornamental design and the accused product’s appearance.
This is an important false-positive safeguard. A competing product can be commercially similar without necessarily infringing a patent.
Step 3: Preserve evidence
Before contacting a seller or submitting an enforcement request, collect evidence while it is still available.
That may include:
- Listing URLs
- Seller IDs
- Screenshots
- Product photographs
- Prices
- Dates
- Product samples
- Test purchases
- Packaging
- Purchase records
- Patent numbers
- Claim charts
- Technical comparisons
For higher-risk cases, test purchases can provide physical evidence that a listing alone cannot establish.
Step 4: Choose the right enforcement route
Not every patent dispute needs to begin with litigation.
Depending on the circumstances, an owner may consider:
- Marketplace IP reporting
- Direct seller notices
- Cease and desist letters
- Licensing discussions
- Customs enforcement
- Administrative remedies
- Civil litigation
The appropriate route depends on the strength of the patent, evidence, jurisdiction, scale of infringement, and commercial impact.
For a deeper enforcement workflow, see our guide on how to deal with patent infringement.
Step 5: Monitor for repeat infringement
Removing one listing does not necessarily remove the underlying source of the problem.
The same actor may relaunch under another account, move to another marketplace, change imagery, or modify the product slightly.
Track repeated connections between sellers, products, listings, and distribution channels so that enforcement can focus increasingly on the actors causing the greatest impact.
What is patent enforcement in China?
Patent enforcement in China is the process of using patent rights granted or recognized under China’s legal framework to address unauthorized exploitation of a patented invention, utility model, or design.
This matters because patent rights are territorial.
A patent granted in another country does not, by itself, create an equivalent enforceable Chinese patent. International brands that manufacture, source, sell, or face copying in China should therefore consider Chinese patent protection before infringement becomes an urgent problem.
China’s patent system is administered by the China National Intellectual Property Administration, or CNIPA.
CNIPA recognizes three main patent categories:
- Invention patents
- Utility models
- Design patents
For brands operating across Chinese ecommerce channels, patent registration can also strengthen the legal foundation for brand protection in Mainland China.
How do patents work in China?
China’s Patent Law sets different requirements depending on the type of patent.
Invention patents
An invention patent protects a new technical solution relating to a product, process, or improvement.
Invention patents generally require novelty, inventiveness, and practical applicability and have a 20-year term from filing.
Utility models
A utility model protects a new technical solution relating to the shape or structure of a product, or a combination of the two, that is suitable for practical use.
The general term is 10 years from filing.
Design patents
A design patent protects qualifying new designs involving the shape, pattern, or combination of features of a product.
The general term is 15 years from filing.
Foreign businesses should work with appropriate patent counsel or agents to determine which rights best fit the product and filing strategy.
Does an international patent automatically protect you in China?
No.
There is no single worldwide patent that automatically grants identical protection in every country.
International filing systems can make it easier to pursue protection in several countries, but rights ultimately need to become effective under the relevant national or regional system.
For China, businesses may use routes including a direct Chinese filing or the Patent Cooperation Treaty process.
WIPO’s PCT system allows applicants to begin an international patent application process and subsequently enter the national phase in participating jurisdictions, including China.
The commercial lesson is straightforward: decide early whether China is strategically important.
If manufacturing, sourcing, sales, licensing, or likely copying makes China relevant to the product, waiting until infringement appears may leave the business with fewer enforcement options.
How to enforce a patent in China
Patent enforcement in China can involve several different routes.
Civil litigation
A patent owner may bring a civil infringement action before a court with jurisdiction over the dispute.
Civil proceedings can be appropriate when the owner seeks remedies such as an injunction or damages, particularly where infringement has significant commercial impact.
Patent litigation is technical, so local legal advice is important before choosing this route.
Administrative enforcement
Patent owners may also have access to administrative enforcement through the relevant Chinese intellectual property authorities.
Administrative enforcement can offer a different route for addressing certain patent disputes without relying exclusively on civil litigation.
The appropriate authority and procedure will depend on the case and location.
Customs protection
For cross-border goods, customs measures may be relevant.
Patent owners can consider recording eligible IP rights with Chinese customs where appropriate. Customs protection can support action against infringing goods moving across the border.
This can be especially useful when the infringement involves manufacturing or export activity rather than only an online listing.
Marketplace enforcement
Chinese ecommerce and social-commerce platforms also operate their own intellectual property complaint mechanisms.
Where a platform accepts patent complaints, rights holders may be able to submit patent registration details, evidence, listing information, and supporting technical analysis directly through the platform’s enforcement process.
Platform enforcement and legal enforcement are not necessarily alternatives. They can form different layers of the same strategy.
What evidence helps with patent enforcement in China?
Evidence quality is particularly important when enforcing technical rights.
Depending on the route, useful evidence can include:
- Chinese patent certificate and registration details
- Proof of current ownership
- Accused product listings
- Screenshots
- Seller details
- Product samples
- Purchase records
- Technical specifications
- Patent claim charts
- Visual comparisons for designs
- Manufacturing or distribution evidence
- Properly prepared translations
Court and administrative processes in China operate in Chinese, so foreign-language documentation may need to be translated in accordance with applicable procedural requirements.
Businesses should preserve evidence early. Online listings can disappear, change, or move between accounts, and a later screenshot may not show what was originally offered.
Common patent protection mistakes
Filing only in your home country
A domestic patent portfolio may leave important manufacturing or sales markets uncovered.
Map patent filing decisions to the jurisdictions where commercial and infringement risk actually exists.
Assuming registration equals enforcement
A patent is leverage, not monitoring.
Without detection and evidence collection, infringements can remain active for long periods before the owner becomes aware of them.
Treating every similar product as infringement
Patent enforcement requires a legal and technical comparison.
Acting against products that fall outside the protected claims or design can waste resources and create unnecessary disputes.
Waiting until after launch to plan international protection
Public disclosure and filing deadlines can affect patentability.
International filing strategy should therefore be considered before a product becomes widely publicized or commercialized.
Looking only for your brand name
Patent copycats may avoid your trademark entirely.
Search by product function, design, visual similarity, technical characteristics, and seller behavior rather than relying only on trademark keywords.
Ignoring domestic Chinese channels
Monitoring only international marketplaces does not necessarily provide visibility into Mainland China’s domestic ecommerce and social-commerce ecosystem.
Brands exposed to manufacturing, sourcing, or sales risk in China should include domestic platforms in their monitoring strategy.
What to do next
Patent protection should begin before infringement appears.
Identify the valuable functional and visual elements of your products, decide where patent protection is commercially important, keep your registrations and ownership records current, and build a monitoring process for the channels where copying is most likely to occur.
If infringement does appear, preserve evidence first and then choose an enforcement route that matches the strength, geography, and commercial impact of the case.
For businesses exposed to China, include patent enforcement in China in that planning from the beginning rather than treating it as a separate problem after copying has already started.
How Red Points supports patent protection
Patent protection works best when registration, monitoring, evidence, and enforcement are connected.
Red Points helps brands detect and act against IP infringement across online marketplaces and can complement legal patent enforcement by providing continuous visibility into products and sellers operating at scale.
For brands with China-specific exposure, Mainland China Protection combines localized monitoring with platform-specific enforcement workflows across domestic Chinese marketplaces and social-commerce channels.
Red Points can also support the wider enforcement process through IP and offline services, including IP registration support, investigations, test purchases, seller notices, and network mapping.
This matters when a patent issue extends beyond one listing. A repeated infringement pattern may involve multiple seller accounts, marketplaces, distributors, or physical supply-chain connections.
Red Points works with more than 1,300 brands and carries out more than 5.1 million enforcements per year across major digital channels.
Request a demo to see how Red Points can support patent and wider IP protection across marketplaces and regions.
Frequently asked questions
What is patent protection?
Patent protection is the legal right granted to the owner of a patent to prevent certain unauthorized uses of the protected invention or design within the jurisdiction where the patent is valid.
What are the main types of patents?
In the United States, businesses commonly use utility and design patents, while plant patents are available for qualifying plant varieties. China grants invention patents, utility models, and design patents.
How long does a patent last?
Patent duration varies by jurisdiction and patent type. In the US, utility patents generally last up to 20 years from the relevant filing date, while newer design patents generally last 15 years from grant. In China, invention, utility-model, and design patent terms are generally 20, 10, and 15 years from filing respectively.
Does a patent protect me worldwide?
No. Patent rights are territorial. You generally need enforceable rights in each jurisdiction where you want patent protection.
Can one product have more than one type of patent protection?
Yes. A product may contain both patentable functional features and protectable ornamental designs. Businesses may therefore use multiple patent types for the same product.
What is patent infringement?
Patent infringement occurs when conduct falls within the scope of a valid patent without the patent owner’s authorization. The precise legal test depends on the jurisdiction and patent claims or design involved.
Is patent infringement the same as counterfeiting?
No. Patent infringement concerns unauthorized use of patented inventions or designs. Counterfeiting typically centers on unauthorized use of protected trademarks. A product can potentially involve both types of infringement, but they require different legal analysis.
How can I find patent infringement online?
Monitor marketplaces, websites, and other commercial channels for products with similar functionality or designs. Search by product characteristics and imagery as well as brand keywords, then validate suspected infringement against the relevant patent before taking action.
Do foreign patents apply in China?
A foreign patent does not automatically create enforceable Chinese patent rights. Businesses typically need appropriate protection under China’s patent system before relying on those rights for patent enforcement in China.
What types of patents are available in China?
China recognizes invention patents, utility models, and design patents. Their general terms are 20, 10, and 15 years from filing respectively.
How can a patent be enforced in China?
Depending on the circumstances, patent enforcement in China may involve civil litigation, administrative enforcement, customs measures, or intellectual property complaints through online platforms.
Do I need a Chinese patent to report patent infringement on Chinese platforms?
Platform requirements vary, but an enforceable right covering China is typically central when the complaint depends on Chinese patent infringement. Rights holders should check the current requirements of the specific platform and obtain legal advice where necessary.
