In 2025, the number of international patent applications filed under the Patent Cooperation Treaty (PCT) reached approximately 276,000 worldwide, with China maintaining its position as the largest source of PCT applications. As Chinese companies continue expanding into overseas markets, patent translation — once viewed primarily as a downstream task in the patent filing process — is evolving into a critical component of global intellectual property (IP) strategies.
In the past, companies often evaluated patent translation services based on basic requirements such as whether translations could be delivered on time and whether pricing was competitive. However, as overseas patent filings increase, target markets become more diverse, and competition around intellectual property intensifies, patent translation is facing increasingly complex requirements.
On one hand, companies need to manage more language versions while navigating differences between patent systems and jurisdictions. On the other hand, artificial intelligence (AI) is reshaping traditional patent translation workflows, driving the industry away from purely human-driven processes toward collaborative models that combine AI assistance with professional review.
Looking ahead to 2026, the patent translation industry will continue to be influenced by three major trends:
For corporate IP departments, patent translation is no longer simply an administrative step in the filing process. Instead, it has become a key factor affecting the effectiveness of global patent protection.
1. AI Enters the Patent Workflow: From Supporting Tool to Workflow Transformation
Artificial intelligence is gradually moving from conceptual exploration into real-world intellectual property applications. In recent years, the World Intellectual Property Organization (WIPO) has continued to explore the use of AI technologies in IP services, including machine translation, patent search, and automated classification.
Among these applications, WIPO Translate represents one of the most notable examples of AI being applied to patent translation. Powered by models trained on extensive patent documents, the system supports multilingual patent document translation and has been integrated into the PATENTSCOPE platform to help global users search and review patent information.
Beyond machine translation, AI technologies are also being introduced into patent search, classification, and examination support. Through natural language processing (NLP) and machine learning technologies, AI can help analyze large volumes of patent documents, improve search efficiency, and assist professionals with technical classification and information organization.
This trend shows that AI’s impact on the intellectual property industry is no longer limited to legal discussions such as whether AI-generated content can qualify for patent protection. Instead, AI is gradually transforming the way patent-related work is performed in practice.
For the patent translation industry, the changes brought by AI are equally significant.
Traditionally, patent translation projects relied heavily on human translators for terminology management, translation, and quality review. With the development of AI-powered tools, many repetitive tasks can now be automated, including:
- Extracting technical terminology from patent documents;
- Retrieving existing translation memories and terminology databases;
- Generating initial translation drafts;
- Checking formatting and basic consistency issues.
These capabilities help companies and language service providers improve efficiency, particularly when handling large-scale multilingual patent projects.
However, patent translation is far more than a simple language conversion process.
Patent documents combine technical descriptions, legal expressions, and requirements that define the scope of protection. Even minor wording differences can affect subsequent examination, patent grants, or potential litigation outcomes.
Therefore, the role of AI in patent translation is changing. It is no longer just a translation tool, but an efficiency-enhancing component within the overall patent translation workflow.
The future of patent translation will not rely entirely on human work, nor will it depend solely on machine output. Instead, the most effective approach will be a collaborative workflow that combines AI capabilities with professional expertise.
2. Unitary Patent and UPC: European Patent Strategies Enter a New Phase of Translation Compliance
The Unitary Patent system officially came into operation on June 1, 2023, providing companies with a new option for patent protection in Europe. Through the Unitary Patent system, applicants can request unified protection across multiple participating European Union member states through a single application process, without having to complete separate national validation procedures in each country as required under the traditional European patent system.
By 2026, 18 EU member states had joined the Unitary Patent system. For companies planning to expand into the European market, the system can simplify certain aspects of patent management. However, during the transitional period, translation remains a key compliance requirement that companies need to carefully consider.
According to the requirements of the European Patent Office (EPO), during the transitional period after a Unitary Patent is granted, patent holders are still required to submit a complete translation:
- If the European patent was granted in English, a complete translation into another official language of the European Union must be provided;
- If the European patent was granted in German or French, a complete English translation must be submitted.
These translation requirements will remain effective during the first six years after the implementation of the Unitary Patent system and may be extended for up to twelve years, depending on future regulations.
In addition, within proceedings before the Unified Patent Court (UPC), language selection is closely connected with patent documents. Different types of legal proceedings may involve different language requirements. Therefore, when developing European patent strategies, companies need to consider language consistency and accuracy across different legal scenarios in advance.
For Chinese companies, one of the most important changes brought by the UPC system is that patent translation is no longer merely a language service required during the filing stage. It is becoming an important factor that can influence the effectiveness of future patent protection.
A poor-quality patent translation may result in inaccurate technical interpretation, inconsistent understanding of claim scope, or increased legal risks in future invalidity proceedings or infringement disputes.
Therefore, for companies expanding into European markets, selecting a translation provider that understands EPO requirements and is familiar with linguistic differences across legal systems has become an essential part of their global patent strategy.
3. Growing PCT Applications from China: Patent Translation Shifts from One-Time Delivery to Long-Term Management
The continued global expansion of Chinese companies has made China one of the most important sources of international patent applications.
According to publicly available data from the World Intellectual Property Organization (WIPO), China has maintained its leading position in global PCT international applications in recent years. At the same time, companies in industries such as telecommunications, renewable energy, intelligent manufacturing, and biotechnology are accelerating their overseas expansion, further increasing demand for patent translation services.
For companies, international patent filing is not simply about translating a Chinese document into another language. It requires accurate adaptation across different legal systems, technical standards, and examination practices in various countries and regions.
This trend is creating three new requirements for modern patent translation.
3.1 Patent Translation from Chinese Requires Stronger Technical and Legal Adaptation Capabilities
Chinese patent documents often differ significantly from English and other foreign-language patent writing conventions.
For example, Chinese patent documents commonly use long sentence structures, layered technical descriptions, and expressions where the subject is omitted. In English patent documents, these structures usually need to be reorganized to ensure clearer logic and compliance with local drafting conventions.
High-quality patent translation is not achieved through sentence-by-sentence conversion. Instead, it requires maintaining technical accuracy while adapting the content to the writing practices of the target patent system.
This is especially important for claims, where translators must understand not only the language but also the underlying technical solution and legal implications. The goal is to ensure that the scope of protection remains consistent across different language versions.
3.2 Patent Translation Timelines Are Becoming Increasingly Critical
As companies file more patents internationally, translation projects often involve multiple countries, languages, and deadlines.
For example:
- PCT national phase entry has clearly defined time limits;
- European patent procedures involve translation requirements after grant;
- Responses to office actions in different jurisdictions must usually be submitted within specified deadlines.
These processes require translation providers to have strong project management capabilities and deliver accurate translations within limited timeframes.
3.3 Multilingual Consistency Becomes a New Challenge in Global Patent Strategies
When a patent enters multiple markets such as the United States, Europe, Japan, and South Korea simultaneously, companies must maintain consistency across different language versions.
Whether terminology remains consistent, technical concepts are accurately aligned, and claim scope is preserved can all affect the effectiveness of patent protection in different jurisdictions.
For example, if the same technical term is translated differently across language versions, patent examiners, competitors, or courts may interpret the technical scope differently.
Therefore, modern patent translation services are no longer limited to language conversion. They have evolved into comprehensive workflows involving terminology management, version control, and quality assurance.
4. What Changes and What Remains the Same After AI Enters Patent Translation
AI is transforming patent translation workflows, but not every aspect of the process can be replaced by automation.
What Changes: Repetitive Tasks Are Accelerated by AI
Tasks such as terminology extraction, initial translation generation, formatting checks, and consistency verification are increasingly being supported by AI tools.
For large-scale patent translation projects involving multiple languages, AI can significantly improve efficiency in areas such as terminology alignment, first-draft generation, and document standardization.
By handling repetitive and time-consuming tasks, AI allows translation professionals to focus more on areas requiring deeper expertise and judgment.
What Remains the Same: Legal Accuracy and Professional Judgment Remain Essential
Certain aspects of patent translation still require human expertise, including:
- Ensuring the legal precision of claim scope;
- Adapting technical terminology to specific jurisdictions;
- Strategically translating patent responses, invalidation proceedings, and litigation-related documents.
These tasks require a deep understanding of patent law, technical fields, and examination practices. They cannot be solved through language conversion alone.
The future of patent translation will not be defined by replacing human expertise with AI. Instead, successful workflows will combine AI-driven efficiency with professional review and domain knowledge.
5. How Companies Should Choose a Patent Translation Provider in 2026: From Translation Capability to Global Patent Support
As AI technologies become increasingly integrated into patent translation workflows, the criteria companies use to evaluate language service providers are also changing.
In the past, companies often focused on factors such as pricing, delivery speed, and the number of supported languages. However, for businesses pursuing global patent strategies, the value of patent translation goes far beyond converting documents from one language to another.
The true challenge is ensuring that technical solutions, legal meanings, and protection scope remain consistent across different languages and jurisdictions.
Therefore, when selecting a patent translation provider in 2026, companies should pay close attention to the following capabilities.
5.1 Does the Provider Have Strong Patent Expertise and Language Resources?
The difficulty of patent translation lies not only in language but also in the combination of technical knowledge and legal expression.
Patent documents vary significantly across industries. Fields such as telecommunications, renewable energy, biotechnology, and semiconductors all involve extensive specialized terminology and established drafting conventions.
A professional patent translation provider typically needs to have:
- A long-term accumulated bilingual patent corpus;
- Continuously maintained multilingual terminology databases;
- Experienced translators specializing in different technical fields;
- Mature translation memory and quality management systems.
These resources help companies maintain consistency across different projects and language versions while reducing potential risks caused by terminology inconsistencies.
5.2 Has the Provider Established a Mature AI + Human Collaborative Translation Workflow?
AI has become an important tool in the patent translation industry. However, the key question is not whether AI is being used, but how it is being applied.
A mature patent translation workflow does not rely on AI to directly produce final translations. Instead, it establishes multiple layers of quality control.
A typical process includes three stages:
Stage 1: AI-assisted processing
AI supports tasks such as terminology extraction, translation memory retrieval, and initial draft generation to improve overall efficiency.
Stage 2: Professional translation and technical review
Experienced translators refine language expression and review technical accuracy to ensure the translation meets the conventions of the target language.
Stage 3: Final quality review by patent specialists
Patent experts or senior reviewers conduct final checks, focusing on the accuracy of claims, technical descriptions, and legal expressions.
This “AI-assisted + expert review” approach balances efficiency and accuracy, making it a more suitable model for complex patent translation scenarios.
5.3 Does the Provider Understand Patent Requirements Across Different Jurisdictions?
There is no universally applicable approach to patent translation.
Different patent offices and legal systems have their own requirements for document formats, terminology usage, and writing conventions.
For example:
- The United States patent system places strong emphasis on the legal effect and interpretation of claim language;
- The European patent system focuses heavily on consistency across multilingual patent documents;
- Markets such as Japan and South Korea also have their own requirements regarding technical expression and document formatting.
Therefore, whether a provider understands the requirements of major patent authorities, including the United States Patent and Trademark Office (USPTO), European Patent Office (EPO), Japan Patent Office (JPO), and Korean Intellectual Property Office (KIPO), and whether it can adjust translation strategies according to target markets, are important indicators of professional capability.
5.4 Does the Provider Have Multilingual Project Management and Version Control Capabilities?
As companies expand their global patent portfolios, the same invention may need to be filed across multiple countries and regions.
This means patent translation projects often involve:
- Simultaneous delivery across multiple languages;
- Management of multiple document versions;
- Consistent terminology maintenance;
- Tracking of revision histories.
Without a mature project management system, even high-quality individual translations may lead to inconsistencies during multinational patent filing processes.
Therefore, companies need a provider that can do more than simply “translate documents.” They need a partner capable of managing global patent language assets.
6. Glodom: Advancing Patent Translation Through AI Technology and Professional Expertise
As a language service provider supporting companies’ global expansion needs, Glodom has continuously developed expertise in patent translation and intellectual property language services.
With more than 20 years of industry experience, Glodom has built a range of specialized resources for patent translation, including patent syntax templates, patent-specific corpora, and multilingual corpus alignment systems. The company has also obtained internationally recognized certifications, including ISO 17100, ISO 27001, ISO 13485, and ISO 9001.
Facing the rapid development of AI technologies, Glodom adopts an “AI-assisted + expert review” approach for patent translation projects:
By combining technological capabilities with professional expertise, Glodom is committed to helping companies overcome language challenges in global patent expansion. The goal is not only to accurately translate patent documents but also to ensure they meet examination standards and protection requirements across different countries and jurisdictions.
Conclusion
In 2026, the patent translation industry is being shaped by three major forces:
- First, the continued expansion of overseas patent strategies by Chinese companies is driving greater demand for multilingual patent services.
- Second, AI technologies are entering intellectual property workflows and transforming traditional approaches to patent translation.
- Third, international regulatory developments, including the Unitary Patent and Unified Patent Court systems, are raising expectations for patent translation quality and compliance.
For corporate IP departments, patent translation is no longer simply the process of “converting Chinese into English.” It has become a critical factor affecting the effectiveness of global patent protection.
In the future, high-quality patent translation services will need to combine:
- Deep industry and technical expertise;
- Effective AI application capabilities;
- Comprehensive quality assurance systems;
- Strong global project management capabilities.
While AI continues to improve efficiency, professional judgment remains essential to protecting the value of patents.
Choosing a patent translation provider that understands technology, is familiar with legal requirements, and can effectively apply AI tools will become an important part of companies’ global intellectual property strategies.
