REDDY PHARMACEUTICALS vs DR. REDDY'S LABORATORIES

Judgment text excerpt

$~ * IN THE HIGH COURT OF DELHI AT NEW DELHI Judgment reserved on: 13.02.2026 Judgment pronounced on: 18.05.2026 + RFA(OS) 138/2013 REDDY PHARMACEUTICALS .....Appellant Through: Mr. Chander M. Lall, Sr. Adv. with Ms. Arushi Singh, Ms. Annanya Mehan, Ms. Manviya Arun, Mr. Prabhjyot Singh and Ms. Amrisha Kumari, Advs. versus DR. REDDY'S LABORATORIES .....Respondent Through: Ms. Swathi Sukumar, Sr. Advocate with Mr. Ranjan Narula, Mr. Shakti Priyan Nair and Mr. Parth Bajaj, Ms. Rishika Aggarwal and Mr. Ritik Raghuwanshi, Advs. + W.P.(C) 654/2014 REDDY PHARMACEUTICALS LTD. .....Petitioner Through: Mr. Chander M. Lall, Sr. Adv. with Ms. Arushi Singh, Ms. Annanya Mehan, Ms. Manviya Arun, Mr. Prabhjyot Singh and Ms. Amrisha Kumari, Advs. versus DR. REDDYS LABORATORIES LTD. AND ANR .....Respondents Through: Ms. Swathi Sukumar, Sr. Advocate with Mr. Ranjan Narula, Mr. Shakti Priyan Nair and Mr. Parth Bajaj, Ms. Rishika Aggarwal and Mr. Ritik Raghuwanshi, Advs. CORAM: HON'BLE MR. JUSTICE C.HARI SHANKAR HON'BLE MR. JUSTICE OM PRAKASH SHUKLA JUDGMENT % 18.05.2026 Signature Not Verified Signed By:PRAGYA RFA(OS) 138/2013 and connected matter Page 1 of 113 ARORA Signing Date:18.05.2026 19:18:33 OM PRAKASH SHUKLA, J. INDEX S.NO PARTICULARS PG.NO 1. BACKGROUND OF THE DISPUTE 2. 2. THE LIS 3. 3. PLAINT 6. 4. WRITTEN STATEMENT 11. 5. REPLICATION 18. 6. IMPUGNED JUDGMENT 20. CS(OS) 2194/2003 ORA/78/2006/TIVI/DEL 7. PROCEEDINGS BEFORE THIS COURT 29. SUBMISSION OF THE APPELLANT/PLAINTIFF SUBMISSION OF THE RESPONDENT/DEFENDANT 8. FINDINGS AND ANALYSIS 61. 9. CONCLUSION 112. BACKGROUND OF THE DISPUTE 1. The dispute between Dr. Reddy’s Laboratories1 and Reddy Pharmaceuticals Ltd.2 involves competing claims over the use of the term “REDDY” in relation to pharmaceutical products. This issue has r