Domestic surgical robot development speeds up

South Korea's patent applications stand at 4.5% despite the expanded industry entry of domestic companies

Precision control technology rises as the core pillar that dictates surgical robot performance

Late entries face difficulties without a real-world clinical environment or global patent strategies

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Numerous companies in the Korean domestic medical device industry are targeting the surgical robot market. Efforts to integrate robotic technology continue across diverse fields, including laparoscopic surgical robots, orthopedics, neurosurgery, endoscopy, and vascular intervention.

However, analysis suggests that, independent of increased market entry, core technological competitiveness remains limited compared to that of major countries. This is because competition in surgical robotics is shifting beyond the simple development of robotic arms or surgical instruments toward precision control, sensing, autonomous control, and data-driven surgical support technologies.

The success of surgical robotics is 'precision control'

According to the "Patent Trends Related to Precision Control of Surgical Robots" report published by the Korea Health Industry Development Institute (KHIDI), the global surgical robot market is projected to grow from approximately $9.2 billion in 2025 to around $38.4 billion by 2034. The compound annual growth rate (CAGR) is 17.2%.

Drivers behind this market expansion include rising demand for minimally invasive surgery (MIS), the need for enhanced surgical accuracy, and technological advancements in integrating imaging, sensor, and control systems.

In particular, recent surgical robots are evolving away from purely control-hardware systems toward intelligent platforms that combine imaging, sensors, artificial intelligence, and control algorithms.

The core competitiveness of surgical robots is shifting toward precision control technology.

Precision control is a technology that translates a clinician's manipulations into stable surgical motions through position·velocity control, force control, tremor compensation, and motion scaling. Because it directly influences surgical accuracy and safety, it is classified as a foundational technology that dictates product competitiveness.

Surgical robot precision control technologies are categorized into sensing-based feedback control, interaction-based control, and autonomous navigation control.

Source: Korea Health Industry Development Institute (KHIDI) report

The importance of precision control is also confirmed in patent trends. According to the report, 4,097 patents related to detailed surgical robot precision control technologies were compiled from 2016 to 2025. Among these, interaction-based control accounted for 2,420 patents, representing 59.1%. Sensing feedback control accounted for 1,129 patents (27.6%), while autonomous navigation accounted for 548 patents (13.4%).

While interaction-based control still commands the largest share, technical trends are shifting. Analysis indicates that while the proportion of interaction-based control is declining, the shares of sensing-based feedback control and autonomous navigation are on the rise.

This means that surgical robots are moving beyond hardware that only transmits a clinician's movements, evolving into platforms that recognize and compensate for the real-time surgical environment.

South Korea's patent applications stands at 4.5%...lowest among major nations

In terms of patent applications, a distinct competitive landscape emerged, centered heavily on the United States and China. From 2016 to 2025, a total of 3,481 surgical robot precision control patents were filed across the IP5 patent offices (South Korea, the United States, Japan, Europe, and China).

By country, the United States Patent and Trademark Office (USPTO) commanded the highest share of applications at 39.9%. China accounted for 29.8%, Europe for 14.0%, and Japan for 11.8%. South Korea recorded 4.5%, the lowest among major countries.

South Korea's position was also limited in terms of qualitative patent competitiveness. Among the 3,481 patents published over the past decade, a comparison of patent competitiveness among major nations, focusing on the 1,011 patents registered with the USPTO, revealed that US patents accounted for 745 patents (73.7%).

During the same period, Europe recorded 163 patents (16.1%), followed by ▲Japan with 38 ▲China with 20 ▲South Korea with 6.

South Korea was presented with a forward citation count of 143, a patent family country count of 20, a patent citation intensity of 23.8, a Patent Impact Index (PII) of 0.0, and a Patent Market Power Index (PMPI) of 0.8. Considering these metrics, the country's overall technological impact and global scalability are evaluated as limited.

Year-over-year rate of change in surgical robot precision control patent applications by country (Source: Korea Health Industry Development Institute (KHIDI) report)

Gaps across detailed technology segments were also substantial. In the patent competitiveness analysis for sensing feedback control, South Korea held 5 patents, accounting for 1.6% of the total. In interaction-based control, it held 1 patent (0.1%), and in navigation autonomous control, it remained at 2 patents (1.3%).

The United States showed a share exceeding 70% across all three sub-segments. It accounted for 238 patents (74.1%) in sensing-based feedback control, 547 patents (74.2%) in interaction-based control, and 118 patents (75.2%) in autonomous navigation control.

Patent concentration by specific corporate players was also high. The share of applications by the top 10 companies across each detailed technology exceeded 50%: 53.3% for sensing feedback control, 55.3% for interaction-based control, and 57.3% for navigation autonomous control. This indicates that the surgical robot market is unlikely to be reshaped by simply launching a product.

Technology accumulation is more critical than product launch

The prospects for Korean domestic surgical robot enterprises lie in technology accumulation rather than in market entry itself. Surgical robotics is a convergent industry integrating robotics, artificial intelligence, sensors, image processing, and control software.

Fabricating robotic arms or localizing surgical instrumentation alone is insufficient to close the gap with global market leaders. Precision control technology directly dictates intraoperative safety. Product competitiveness is determined by how accurately the system reflects minute movements at the surgical site, how reliably it compensates for clinician hand tremors, and how sophisticatedly it manages the forces generated during tissue contact.

A comparison of patent competitiveness among major nations, focusing on the 1,011 patents registered with the USPTO, revealed that US patents accounted for 745 patents (73.7%). During the same period, Europe recorded 163 patents (16.1%), followed by Japan with 38, China with 20, and South Korea with 6. (source: Korea Health Industry Development Institute (KHIDI) report)

Joint development with clinical sites is also vital. Precision control technology cannot secure commercial viability based purely on laboratory-level performance. Parameters such as operability, stability, and fatigue reduction that clinicians can actively sense must be validated within real-world surgical environments.

A global patent strategy must also be designed from the initial phases. Surgical robotics is an area where targeting only the domestic market is unsustainable. From early development, strategies are required to secure enforceable patents in major markets such as the United States and Europe while simultaneously deploying patent-circumvention tactics against competitors.

It is challenging for domestic firms to compete head-to-head with global leaders across all domains. A realistic approach involves a field-targeting strategy focusing on precision control technologies tailored to specific surgical specialties, particular techniques, or distinct hospital requirements.

An industry insider said, "As surgical robotics is a convergent industry combining robotics, artificial intelligence, sensors, image processing, and control software, securing global competitiveness is difficult through simple product development alone," and added, "The aim for domestic firms will be concurrently establishing real-world clinical validation and global patent strategies centered heavily around core precision control technologies."