Global Footprint and Reach

HASAN AND SINGH is an India-based Intellectual Property law firm with a truly international footprint. The firm routinely manages patent and trademark filings across multiple jurisdictions and maintains a robust network of trusted associates in over 125 countries, enabling seamless cross-border strategy, coordination, and execution. Leveraging this global network, the firm handles filings, prosecution, oppositions, and enforcement efficiently across major and emerging markets, providing clients with a single point of contact, consistent quality and timely delivery.

Headquartered in Hyderabad—India’s renowned hub for IT and biotechnology with a strong concentration of pharmaceutical, biotech and technology companies—the firm is well positioned to serve innovation-driven clients. In India, HASAN AND SINGH also operates through branch and associate offices in Delhi, Chennai, Kolkata, and Mumbai, ensuring national coverage with international capability.

Firm’s branch/associate offices in India are located ( ) in Delhi, Chennai, Kolkata and Mumbai.