Industry Sector

Pharma — India Patent Cases

967 decisions indexed

Page 2 of 33 · 967 total

patent plaintiff favorable · May 15, 2026

Glaxosmithkline Pharmaceuticals Limited v.Walter Healthcare Private Limited And Anr

Delhi High Court · 44292392

The Delhi High Court declared the trademark CALPOL as a well-known trademark in terms of the Trade Marks Act, 1999, due to its long-standing reputation and extensive use in India. The court recognized the significant commercial presence and recognition of the mark CALPOL in the field of medicine and pharmaceutical products. The defendant was restrained from using the WALPOL mark, which was deemed deceptively similar to the CALPOL mark.

patent plaintiff favorable · Apr 8, 2026

Sun Pharmaceutical Industries Limited v.Meghmani Lifesciences Limited

Bombay High Court · 61254569

Sun Pharmaceutical Industries Limited filed a commercial suit against Meghmani Lifesciences Limited for infringement of its registered trademark 'RACIRAFT'. The court found that the defendant's mark 'ESIRAFT' was deceptively similar to the plaintiff's mark and granted an injunction. The court applied the test of phonetic similarity and first impression to determine the likelihood of confusion. The decision highlights the importance of protecting intellectual property rights in the pharmaceutical industry.

patent dismissed · Mar 28, 2026

Alkem Laboratories Limited v.Novartis Ag & Anr.

Delhi High Court - Orders · 114079351

Alkem Laboratories Limited filed a petition seeking the revocation of Indian Patent IN414518 and its removal from the Register of Patents. The respondent submitted that the patent in question had already been revoked, which was acknowledged by the petitioner's counsel.

patent pending · Mar 24, 2026

Chugai Seiyaku Kabushiki Kaisha & Anr. v.Basil Drugs And Pharmaceuticals Private Limited

Delhi High Court - Orders · 140810367

The plaintiffs, Chugai Seiyaku Kabushiki Kaisha & Anr., filed a commercial suit alleging infringement of their patent (IN 294424) related to the compound Alectinib. The court addressed several interlocutory applications and subsequently registered the plaint as a suit, while also granting an interim injunction restraining the defendant from manufacturing or dealing in infringing products.

patent pending · Mar 24, 2026

Novo Nordisk A/S & Anr v.Dr. Reddy's Laboratories Limited

Delhi High Court - Orders · 90945101

Novo Nordisk filed a commercial suit seeking an interim injunction against Dr. Reddy's Laboratories concerning their patented composition involving semaglutide. The court heard arguments, noted affidavits from both sides, and allowed procedural applications while directing the parties to proceed with pleadings.

patent pending · Mar 23, 2026

Novartis Ag v.Bdr Pharmaceuticals International Private Limited

Delhi High Court - Orders · 41181951

This order addresses several interlocutory applications filed by Novartis Ag against Bdr Pharmaceuticals International. The court granted exemptions from pre-institution mediation and allowed additional documents, while also considering arguments regarding the scope of the defendants' license under the Patents Act.

patent remanded · Mar 23, 2026

Daewoong Pharmaceutical Co. Ltd. v.Controller General Of Patents Designs and Trademarks

Delhi High Court · 146023333

Daewoong Pharmaceutical appealed the rejection of its patent application (No. 201817048074) by the Controller General, which was based on non-patentability under Section 3(d). The appeal challenged the decision to reject the application despite submissions regarding improved therapeutic efficacy and stability data.

patent pending · Mar 23, 2026

Sanofi - Aventis v.Controller General Of Patents, Designs and Trademarks And Anr.

Calcutta High Court · 144502326

Sanofi - Aventis appealed an order from the Assistant Controller of Patents & Designs. The appellant argued that the impugned order was perverse because it failed to adequately address arguments concerning lack of inventive steps and should have been based on Section 3(d) of the Patents Act, 1970.

patent pending · Mar 19, 2026

Mati Therapeutics Inc v.Controller Of Patents And Designs

Delhi High Court - Orders · 172514955

Mati Therapeutics Inc filed an appeal against the Controller of Patents and Designs. The court order addressed arguments regarding the possibility of amending patent claims to comply with Section 59 of the Patents Act, 1970, and whether such amendments could be reviewed at a de novo stage.

patent plaintiff favorable · Mar 17, 2026

Novartis Ag & Anr v.Controller General Of Patents, Designs, Trademarks And Geographical Indications & Ors.

Delhi High Court - Orders · 8354299

Petitioners filed a writ petition seeking directions to expedite the consideration of their Indian Patent Application No. 1014/DELNP/2011, which had been pending for over 15 years despite multiple pre-grant oppositions being filed. The Court noted the unacceptable delay and directed the Respondents to decide the application and all related oppositions as expeditiously as possible within four months.

patent pending · Mar 13, 2026

Pharma Cinq, Llc v.The Controller General of Patents, Designs and Trademarks

Delhi High Court - Orders · 186868389

Pharma Cinq, Llc filed an appeal challenging an earlier order passed by the Controller of Patents concerning Indian Patent Application no. 202017028792. The court also addressed several interlocutory applications related to filing procedures.

patent defendant favorable · Mar 9, 2026

Novo Nordisk A/S v.Dr Reddys Laboratories Limited & Anr.

Delhi High Court · 144556936

Novo Nordisk appealed a rejection of its interlocutory injunction application regarding the import and sale of Semaglutide, claiming infringement of its patent. The court dismissed the appeal, noting that the suit patent was set to expire shortly, but also found prima facie evidence suggesting the suit patent could be challenged for obviousness based on prior art (Genus Patent IN'964).

patent plaintiff favorable · Feb 27, 2026

Chugai Seiyaku Kabushiki Kaisha v.Lupin Limited

Delhi High Court - Orders · 36015233

Chugai Seiyaku Kabushiki Kaisha filed suit against Lupin Limited regarding the public display of a specific product by the defendant. The court accepted that if the defendants modify their website to include an asterisk stating 'for the purposes of research under Section 107A of the Patents Act, 1970', it would suffice to address the plaintiff's grievance.

patent defendant favorable · Feb 24, 2026

Boehringer Ingelheim Pharma Gmbh And Co v.The Controller Of Patents & Anr.

Delhi High Court · 76672212

Boehringer Ingelheim appealed against a single judge's decision regarding the maintainability of a revocation petition (CO (COMM. IPD-PAT) 38/2022). The core issues were whether a revocation petition could survive after the patentee pleaded invalidity in an infringement suit, or if it could continue after the patent expired by efflux of time.

patent plaintiff favorable · Feb 18, 2026

Fertin Pharma A/S v.Assistant Controller Of Patents And Designs

Delhi High Court · 121188232

Fertin Pharma A/S appealed the Assistant Controller's decision to reject its patent application (no. 202017042442). The High Court found that the rejection order was cryptic, lacked clarity of objection, and failed to provide sufficient reasons for rejecting the claims based on prior art documents D1-D3.

patent defendant favorable · Feb 17, 2026

Pawan Kumar Goel v.Dr. Dhan Singh & Anr.

Delhi High Court · 192197960

The plaintiff filed a suit seeking permanent injunction for infringing Indian Patent 369150 related to extracting Alpha Yohimbine. The plaintiff later sought conditional withdrawal, arguing that the defendant was using a different plant species (Rauwolfia Vomitoria) and thus there was no current cause of action. However, the court found evidence suggesting the defendant was indeed using Rauwolfia tetraphylla, leading it to deny the permission for withdrawal.

patent interim order · Feb 12, 2026

F. Hoffmann-La Roche Ag & Anr v.Natco Pharma Limited

Delhi High Court - Orders · 144249665

The Delhi High Court heard arguments regarding a patent infringement suit (CS(COMM) 567/2024). The court settled several issues, including ownership and potential grounds for revocation. Subsequently, the court appointed a Local Commissioner to expedite evidence recording and constituted a confidentiality club upon application by the Defendant.

patent remanded · Feb 12, 2026

Merck Sharp & Dohme B.V v.The Union Of India

Madras High Court · 18274677

Merck Sharp & Dohme B.V challenged the issuance of an impugned notice based on the fourth pre-grant opposition, arguing that the delay in deciding previous oppositions was causing undue hardship and delaying the grant of patent for its compound acalabrutinib (Calquence). The court directed the Patent Office to decide all pending pre-grant oppositions within a stipulated time frame and ensure any new opposition raises fresh grounds.

patent remanded · Feb 7, 2026

Manu Chaudhary v.Controller Of Patents And Design

Delhi High Court · 183015780

Manu Chaudhary appealed the refusal of his patent application (IN 201711047431) by the Controller of Patents and Designs. The rejection was primarily based on the lack of National Biodiversity Authority (NBA) approval. The High Court found that since the appellant had applied for NBA approval, the Controller should have deferred the final order instead of refusing the patent application.

patent settled · Feb 5, 2026

Novartis Ag v.Eris Lifesciences Limited

Delhi High Court - Orders · 121070649

The suit concerned alleged infringement of Patent No. 229051 by the Defendant regarding Valsartan and Sacubitril products. Since the subject patent IN'051 expired, the parties reached an amicable settlement which was recorded by the court.

patent plaintiff favorable · Jan 30, 2026

Topotarget Uk Limited v.The Controller General Of Patent And Designs, Mumbai and Ors.

Calcutta High Court · 164408130

Topotarget UK Limited appealed a rejection order against its patent application for a pharmaceutical composition (PXD101 with an in situ salt former). The rejection was based on insufficiency of disclosure, lack of inventive step, and Section 3(d) objections. The High Court found that the Controller misconstrued the invention as a salt per se, failing to consider the multi-component nature of the composition.

patent plaintiff favorable · Jan 29, 2026

M/S Coral Drugs Private Limited v.The Assistant Controller Of Patents And Designs and Anr

Delhi High Court - Orders · 124226422

The appeal challenged the Assistant Controller's refusal of a patent application (No. 201717022856) due to lack of inventive step. The appellant sought permission to amend its claims, which were subsequently accepted by the High Court provided they did not broaden the scope of the original claims.

patent defendant favorable · Jan 27, 2026

Rexcin Pharmaceuticals P Ltd v.Rekin Pharma P Ltd & Anr.

Delhi High Court · 72154846

Rexcin Pharmaceuticals filed a suit seeking permanent injunction against Rekin Pharma regarding trademark infringement, passing off, and domain name misuse. The core dispute revolved around the similarity between 'REXCIN' (Petitioner) and 'REKIN-SP' (Respondent), particularly concerning pharmaceutical goods in Class 5. The court dismissed the interim injunction application, finding that the Petitioner failed to establish continuous use of REXCIN as a source identifier for Class 5 products.

patent remanded · Jan 23, 2026

Fresenius Kabi Oncology Ltd v.The Asst Controller Of Patents And Designs

Delhi High Court - Orders · 73773292

Fresenius Kabi Oncology Ltd appealed the Assistant Controller's decision refusing its divisional patent application for 'PHARMACEUTICAL COMPOSITIONS OF PEMETREXED'. The refusal was based on the prior refusal of the mother application. However, since the mother application was subsequently granted, the High Court found the reason for refusal no longer tenable.

patent plaintiff favorable · Jan 23, 2026

Merck Sharp & Dohme Corp. v.Ranvir Kumar Bindeshwari Singh

Delhi High Court · 139884315

Merck Sharp & Dohme Corp. filed a suit seeking permanent injunction and damages against Ranvir Kumar Bindeshwari Singh for infringing Patent No. 209816, which covers SITAGLIPTIN. The court ultimately decreed the suit in favor of the plaintiffs, awarding substantial compensatory, exemplary, and costs damages.

patent settled · Jan 23, 2026

Incyte Holdings Corporation v.Intas Pharmaceuticals Ltd

Delhi High Court - Orders · 99823809

The suit was filed alleging infringement of Patent No. 269841 (IN'841) by Intas Pharmaceuticals Ltd regarding the compound Ruxolitinib. After discussions, the Defendant provided an undertaking that they would not commercialize the patented compound during the patent's validity. The court accepted this undertaking and disposed of the suit on consent terms.

patent mixed · Jan 22, 2026

Sanjeev Kumar Juneja And Another v.Terrace Pharmaceuticals Pvt Ltd

Punjab-Haryana High Court · 40051837

The Punjab-Haryana High Court addressed a revision petition concerning a composite trademark infringement and passing off suit. The court held that while joinder of causes of action is permissible under CPC, the delay in trial due to combining both claims necessitated modification. Consequently, the court granted the defendant time to seek rectification of the plaintiff's registered mark, stayed the infringement claim for three months, and directed that the passing off claim be tried as a separate suit.

patent pending · Jan 21, 2026

Symrise Ag v.The Assistant Controller Of Patents And Designs

Delhi High Court - Orders · 163417075

Symrise Ag filed an appeal challenging the Assistant Controller's decision to reject its patent application (No. 202117041016) for 'An Antimicrobial Mixture', holding that it was not patentable under specific sections of the Patents Act, 1970. The High Court issued notice and directed the respondent to file a reply within four weeks.

patent dismissed · Jan 21, 2026

Saisun Pharma Pvt Ltd v.Novartis Ag & Anr.

Delhi High Court - Orders · 122952339

Saisun Pharma Pvt Ltd filed a petition before the Delhi High Court. The petitioner submitted that a third-party post grant opposition had led to the revocation of the patent held by the respondents under Section 25(2) read with Section 25(4) of the Patent Act, 1970. Consequently, the court dismissed the present petition as infructuous.

patent pending · Jan 21, 2026

M/S Coral Drugs Private Limited v.The Assistant Controller Of Patents And Designs and Anr

Delhi High Court - Orders · 150269162

The appellant, M/S Coral Drugs Private Limited, filed an affidavit seeking leave from the Delhi High Court to amend its claims in a patent application. The company asserted that the amendments were lawful, bona fide, and did not broaden the original disclosure, but merely provided clarification.

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