Global Coverage · Smart Reminders · EUR/USD Settlement

One-Stop Global Patent Annuity Payment Service

Manage patent annuity payments across 100+ countries from a single platform. Smart deadline reminders, multi-currency official fees settled in EUR/USD, transparent fees, and comprehensive tracking — so you never miss a critical payment date.

Get Started → Search Official Fees
{{ s.icon }} {{ s.num }} {{ s.label }} {{ s.note }}
✓ {{ t }}
Why Choose Kangxin

Comprehensive Patent Annuity Management

From deadline tracking to payment execution, our platform streamlines every aspect of global patent annuity management with precision and transparency.

{{ adv.icon }}

{{ adv.title }}

{{ adv.desc }}

How It Works

Simple, Transparent, Reliable

Our streamlined process ensures your patent annuities are managed efficiently from start to finish. Four simple steps to protect your patents worldwide.

→
{{ i + 1 }}

{{ step.title }}

{{ step.desc }}

Core Features

Everything You Need for Patent Annuity Management

Smart Deadline Management

Never Miss a Patent Annuity Deadline Again

Our intelligent system automatically tracks annuity due dates for every patent in your portfolio and sends timely notifications to keep you ahead of every deadline.

  • Automatic calculation of annuity due dates for all patents
  • Customizable multi-stage reminders (90, 60, 30 days before due date)
  • Email and in-platform notification alerts
  • Grace period tracking and late payment surcharge warnings
  • Calendar export for integration with your existing workflow
Deadline Management at a Glance
{{ reminder.label }}
{{ reminder.sub }}
{{ reminder.days }}
Comprehensive Monitoring

Full Visibility into Your Patent Portfolio

Track payment status, download official receipts, and access complete payment history — all from one centralized dashboard across all jurisdictions.

  • Real-time annuity payment status for every patent
  • Complete payment history with downloadable receipts
  • Official receipt downloads directly from the platform
  • Portfolio-wide status overview with filterable views
  • Exportable reports for finance and management teams
Portfolio Status Overview
{{ stat.num }}
{{ stat.label }}
Payment Status
{{ bar.label }} {{ bar.num }}
Global Payments

Multi-Currency Official Fees Converted to EUR/USD Settlement

Official patent annuity fees in local currencies are automatically converted and settled in EUR or USD. Our platform handles the complexity of multi-jurisdiction payments with transparent exchange rates, so you don't have to.

  • Official fees in local currencies automatically converted to EUR or USD for settlement
  • Transparent exchange rates with no hidden conversion fees
  • Itemized fee breakdowns — official fees, service fees, and taxes
  • Pre-authorization required before any payment is processed
  • Consolidated invoicing in EUR or USD for multi-country annuity payments
Official Fees → Settled in EUR / USD
{{ cur.flag }}
{{ cur.code }}
Transparent Rates · No Hidden Fees · EUR / USD Settlement
Global Coverage

Patent Annuity Services Across 100+ Countries & Regions

Our service covers all major patent jurisdictions worldwide. Whether your patents are filed in one country or across dozens, we manage them all from one platform.

{{ country }}

Don't see your jurisdiction? Contact us — we're always expanding coverage.

Information Security Assurance

Quadruple Certified. Enterprise-Grade Security.

Your patent data and payment information are protected by industry-leading security certifications and encryption protocols.

{{ cert.icon }}
{{ cert.name }}
{{ cert.label }}
{{ s.icon }}

{{ s.title }}

{{ s.desc }}

FAQ

Frequently Asked Questions

Patent annuity (also called patent maintenance fee or renewal fee) is a periodic fee that patent holders must pay to keep their patents in force. Missing an annuity deadline can result in the patent lapsing and losing legal protection. Our platform provides smart reminders and comprehensive tracking to prevent missed deadlines and ensure your patents remain valid.
Our Patent Annuity service covers patents in 100+ countries and regions worldwide, including all major jurisdictions: China, United States, European Patent Office (EPO), Japan, South Korea, India, Australia, Canada, United Kingdom, Germany, France, and many more. We continually expand our coverage.
The platform automatically calculates upcoming annuity deadlines for all patents in your portfolio. It then sends customizable multi-stage notifications (e.g., 90 days, 60 days, 30 days before the due date) via email and in-platform alerts. Grace periods and late payment surcharges are also tracked and flagged.
Yes. The Official Fee Search tool allows you to look up patent annuity fees by country, patent type, and annuity year. Fee data is regularly updated to reflect the latest official schedules published by patent offices worldwide.
Yes. Official patent annuity fees in local currencies are automatically converted and settled in EUR or USD. Fees are displayed in the local official currency alongside the EUR/USD equivalent, with transparent exchange rates and no hidden conversion fees.
Fees are transparently broken down into official fees (set by patent offices), service fees (Kangxin's processing fee), and applicable taxes. You see the full breakdown before authorizing any payment — nothing proceeds without your explicit approval.
The platform holds four security certifications: ISO 27001 (Information Security), ISO 27017 (Cloud Security), ISO 27701 (Privacy Management), and China Information Security Level 3 Protection. All data is encrypted with TLS 1.3 in transit and AES-256 at rest. Your patent data is never used to train AI models.
No. The Kangxin IP Platform is fully web-based and works in any modern browser on desktop, tablet, or mobile. No installation, plugins, or downloads required.
Get Started Today

Simplify Your Global Patent Annuity Management

Join thousands of IP professionals who trust Kangxin to keep their patents in force. Start managing your patent annuities more efficiently today.

Start Free Trial → Schedule a Demo
Latest News registerLine
Team