In an era where digital identity is paramount, the fight against sophisticated biometric spoofing attacks is more critical than ever. We’re thrilled to share news of a significant leap forward in this battle, directly from the world of innovation and intellectual property: India-based Mantra Softech has secured a landmark U.S. patent for its cutting-edge Optical Coherence Tomography (OCT) based fingerprint biometric liveness detection method.
This isn’t just a technical achievement; it’s a testament to the power of relentless research and development, and a strong reminder of the value of robust intellectual property protection.

The Challenge: Beyond the Surface of Biometric Security
Traditional fingerprint scanners, while convenient, have faced an escalating threat from “presentation attacks” – sophisticated methods using fake fingerprints to bypass security. The core challenge lies in distinguishing a real, living finger from a high-quality replica. This is where liveness detection (or Presentation Attack Detection – PAD) becomes the unsung hero of biometric security.
Mantra’s Innovation: Seeing Deeper with OCT
Mantra Softech’s newly patented invention, officially titled “Optical Fingerprint Scanner and Method for Detecting Optical Coherent Gating Liveness,” tackles this challenge head-on. Unlike methods that only analyze the external surface, Mantra’s technique delves deeper.
Imagine shining a light not just on your finger, but through it. That’s essentially what this innovative method does. By capturing both the conventional external fingerprint image and, critically, the internal microstructure of the finger using a broadband light source and optical coherent gating, it creates an image that reflects the spatial micro-profile depth and reflectance properties of the subsurface.
This ingenious integration of OCT technology enables unparalleled liveness detection. It’s a robust shield designed to effectively detect and prevent a wide array of biometric spoof attacks, setting a new standard for identity verification.

Why This Patent Matters: Security, Efficiency, and Global Credibility
This isn’t Mantra Softech’s first foray into advanced PAD systems. They’ve previously offered devices like the MELO31 FAP30, which uses light reflection/refraction for liveness detection. However, the new OCT-based method offers distinct advantages:
- Unrivaled Security: By analyzing the subsurface, it provides a much more difficult barrier for spoofing attempts.
- Cost-Effective & Compact: Despite its advanced capabilities, Mantra states the method is cost-effective and compact, making it suitable for broader adoption.
- Lower Overhead: It boasts lower complexity and computational overhead compared to more complex multispectral or 3D optical systems, allowing for faster and more efficient processing.
As Mantra Softech Founder Hiren Bhandari rightly points out, this patent is “a testament to the strength of our R&D” and highlights the growing prowess of Indian technology on the global stage. For an intellectual property firm, this underscores the immense value of patents in solidifying a company’s leadership, enhancing global credibility, and unlocking doors for international licensing, commercial partnerships, and crucial product integrations.

Broad Applications: Securing Our Connected World
The implications of this breakthrough extend across numerous critical sectors where secure identity verification and fraud prevention are paramount. Think about:
- Banking and Finance: Protecting sensitive transactions and financial data.
- Border Security and Immigration: Ensuring accurate and uncompromised identification at entry points.
- Defense and Law Enforcement: Strengthening national security protocols.
- Government Welfare Programs: Preventing fraud and ensuring legitimate access to services.
- Healthcare: Safeguarding patient data and access to medical records.
- Workforce Management: Securely managing employee access and attendance.
- Consumer Electronics: Enabling secure biometric logins for devices and applications.
In an increasingly interconnected world, where Internet of Things (IoT) devices and systems often rely on secure identity, robust biometric liveness detection like Mantra’s patented method becomes absolutely essential for safeguarding data and trust.
The Future of Identity is Secure
Mantra Softech’s latest patent is more than just a legal document; it’s a declaration of a more secure future for biometric identity. For innovators, it’s a shining example of how strategic intellectual property protection can not only safeguard groundbreaking inventions but also propel them to global recognition and impact.
For more insights into protecting your innovations and navigating the complex landscape of intellectual property, connect with our experts today.





