Expiring Drug Patents Cheat Sheet
We analyse the patents covering drugs in 134 countries and quickly give you the likely loss-of-exclusivity/generic entry date
Serbia: These 9 Drugs Face Patent Expirations and Generic Entry From 2025 - 2026
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Generic Entry Dates in Other Countries
Friedman, Yali, "Serbia: These 9 Drugs Face Patent Expirations and Generic Entry From 2025 - 2026" DrugPatentWatch.com thinkBiotech, 2025 www.drugpatentwatch.com/p/expiring-drug-patents-generic-entry/.
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These estimated drug patent expiration dates and generic entry opportunity dates are calculated from analysis of known patents covering drugs. Many factors can influence early or late generic entry. This information is provided as a rough estimate of generic entry potential and should not be used as an independent source. The methodology is described in this blog post.
When can KOSELUGO (selumetinib sulfate) generic drug versions launch?
Generic name: selumetinib sulfate
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: December 21, 2025
Generic Entry Controlled by: Serbia Patent 52,843
Patent Title: NOVA SO VODONIK SULFATA (NOVEL HYDROGEN SULFATE SALT)
KOSELUGO is a drug marketed by Astrazeneca. There are eight patents protecting this drug.
This drug has two hundred and one patent family members in forty-five countries. There has been litigation on patents covering KOSELUGO
See drug price trends for KOSELUGO.
The generic ingredient in KOSELUGO is selumetinib sulfate. One supplier is listed for this generic product. Additional details are available on the selumetinib sulfate profile page.
When can TRADJENTA (linagliptin) generic drug versions launch?
Generic name: linagliptin
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: May 04, 2026
Generic Entry Controlled by: Serbia Patent 51,466
Patent Title: FORMULACIJE DPP IV INHIBITORA (DPP IV INHIBITOR FORMULATIONS)

This drug has four hundred and eighty-six patent family members in forty-five countries. There has been litigation on patents covering TRADJENTA
See drug price trends for TRADJENTA.
The generic ingredient in TRADJENTA is linagliptin. There are nineteen drug master file entries for this API. Three suppliers are listed for this generic product. Additional details are available on the linagliptin profile page.
When can TRADJENTA (linagliptin) generic drug versions launch?
Generic name: linagliptin
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: May 04, 2026
Generic Entry Controlled by: Serbia Patent 53,570
Patent Title: FORMULACIJE DPP IV INHIBITORA (DPP IV INHIBITOR FORMULATIONS)

This drug has four hundred and eighty-six patent family members in forty-five countries. There has been litigation on patents covering TRADJENTA
See drug price trends for TRADJENTA.
The generic ingredient in TRADJENTA is linagliptin. There are nineteen drug master file entries for this API. Three suppliers are listed for this generic product. Additional details are available on the linagliptin profile page.
When can BYDUREON (exenatide synthetic) generic drug versions launch?
Generic name: exenatide synthetic
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: June 28, 2026
Generic Entry Controlled by: Serbia Patent 53,638
Patent Title: KRISTALNI SOLVATI DERIVATA (1S)-1,5-ANHIDRO-1-C-(3-((FENIL) METIL) FENIL)-D-GLUCITOLA SA ALKOHOLIMA KAO INHIBITORI SGLT2 ZA TRETMAN DIJABETESA (CRYSTALLINE SOLVATES OF (1S)-1,5-ANHYDRO-1-C-(3-((PHENYL) METHYL) PHENYL)-D-GLUCITOL DERIVATIVES WITH ALCOHOLS AS SGLT2 INHIBITORS FOR THE TREATMENT OF DIABETES)

This drug has three hundred and forty-six patent family members in forty-eight countries. There has been litigation on patents covering BYDUREON
See drug price trends for BYDUREON.
The generic ingredient in BYDUREON is exenatide synthetic. There are seven drug master file entries for this API. Two suppliers are listed for this generic product. Additional details are available on the exenatide synthetic profile page.
When can OLYSIO (simeprevir sodium) generic drug versions launch?
Generic name: simeprevir sodium
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: July 28, 2026
Generic Entry Controlled by: Serbia Patent 51,743
Patent Title: MAKROCIKLIČKI INHIBITORI VIRUSA HEPATITISA C (MACROCYCLIC INHIBITORS OF HEPATITIS C VIRUS)
OLYSIO is a drug marketed by Janssen Prods. There are nine patents protecting this drug.
This drug has one hundred and forty patent family members in forty-three countries.
See drug price trends for OLYSIO.
The generic ingredient in OLYSIO is simeprevir sodium. There is one drug master file entry for this API. Additional details are available on the simeprevir sodium profile page.
When can LYRICA CR (pregabalin) generic drug versions launch?
Generic name: pregabalin
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: October 23, 2026
Generic Entry Controlled by: Serbia Patent 20,080,181
Patent Title: ČVRSTE FARMACEUTSKE KOMPOZICIJE KOJE SADRŽE PREGABALIN SREDSTVO ZA FORMIRANJE MATRIKSA I SREDSTVO ZA BUBRENJE (SOLID PHARMACEUTICAL COMPOSITIONS CONTAINING PREGABALIN, A MATRIX FORMING AGENT AND A SWELLING AGENT)

This drug has thirty-seven patent family members in thirty-three countries.
See drug price trends for LYRICA CR.
The generic ingredient in LYRICA CR is pregabalin. There are forty-one drug master file entries for this API. Fifty-six suppliers are listed for this generic product. Additional details are available on the pregabalin profile page.
When can INVOKAMET (canagliflozin; metformin hydrochloride) generic drug versions launch?
Generic name: canagliflozin; metformin hydrochloride
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: December 04, 2026
Generic Entry Controlled by: Serbia Patent 53,274
Patent Title: KRISTALNI OBLIK 1-(β-D-GLUKOPIRANOZIL)-4-METIL-3-[5-(4-FLUORFENIL)-2-TIENILMETIL]BENZEN HEMIHIDRAT (CRYSTALLINE FORM OF 1- (SS-D-GLUCOPYRANOSYL) -4 -METHYL- 3- [5- (4 -FLUOROPHENYL) -2-THIENYLMETHYL]BENZENE HEMIHYDRATE)

This drug has two hundred and seventy-one patent family members in forty-eight countries. There has been litigation on patents covering INVOKAMET
See drug price trends for INVOKAMET.
The generic ingredient in INVOKAMET is canagliflozin; metformin hydrochloride. There are twenty-one drug master file entries for this API. One supplier is listed for this generic product. Additional details are available on the canagliflozin; metformin hydrochloride profile page.
When can INVOKAMET XR (canagliflozin; metformin hydrochloride) generic drug versions launch?
Generic name: canagliflozin; metformin hydrochloride
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: December 04, 2026
Generic Entry Controlled by: Serbia Patent 53,274
Patent Title: KRISTALNI OBLIK 1-(β-D-GLUKOPIRANOZIL)-4-METIL-3-[5-(4-FLUORFENIL)-2-TIENILMETIL]BENZEN HEMIHIDRAT (CRYSTALLINE FORM OF 1- (SS-D-GLUCOPYRANOSYL) -4 -METHYL- 3- [5- (4 -FLUOROPHENYL) -2-THIENYLMETHYL]BENZENE HEMIHYDRATE)

This drug has two hundred and twenty patent family members in forty-five countries. There has been litigation on patents covering INVOKAMET XR
See drug price trends for INVOKAMET XR.
The generic ingredient in INVOKAMET XR is canagliflozin; metformin hydrochloride. There are twenty-one drug master file entries for this API. One supplier is listed for this generic product. Additional details are available on the canagliflozin; metformin hydrochloride profile page.
When can INVOKANA (canagliflozin) generic drug versions launch?
Generic name: canagliflozin
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: December 04, 2026
Generic Entry Controlled by: Serbia Patent 53,274
Patent Title: KRISTALNI OBLIK 1-(β-D-GLUKOPIRANOZIL)-4-METIL-3-[5-(4-FLUORFENIL)-2-TIENILMETIL]BENZEN HEMIHIDRAT (CRYSTALLINE FORM OF 1- (SS-D-GLUCOPYRANOSYL) -4 -METHYL- 3- [5- (4 -FLUOROPHENYL) -2-THIENYLMETHYL]BENZENE HEMIHYDRATE)

This drug has two hundred and twenty patent family members in forty-five countries. There has been litigation on patents covering INVOKANA
See drug price trends for INVOKANA.
The generic ingredient in INVOKANA is canagliflozin. There are twenty-one drug master file entries for this API. Three suppliers are listed for this generic product. Additional details are available on the canagliflozin profile page.
When can SIRTURO (bedaquiline fumarate) generic drug versions launch?
Generic name: bedaquiline fumarate
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: December 05, 2026
Generic Entry Controlled by: Serbia Patent 52,408
Patent Title: FUMARATNA SO (ALFA S, BETA R)-6-BROMO-ALFA-[2-(DIMETILAMINO)ETIL]-2-METOKSI-ALFA-1-NAFTALENIL-BETA-FENIL-3-KINOLINETANOLA (FUMARATE SALT OF (ALPHA S, BETA R)-6-BROMO-ALPHA-[2-(DIMETHYLAMINO)ETHYL]-2¬METHOXY-ALPHA-1-NAPHTHALENYL-BETA-PHENYL-3-QUlNOLINEETHANOL)
SIRTURO is a drug marketed by Janssen Therap. There are two patents protecting this drug.
This drug has ninety-seven patent family members in thirty-nine countries.
See drug price trends for SIRTURO.
The generic ingredient in SIRTURO is bedaquiline fumarate. There is one drug master file entry for this API. One supplier is listed for this generic product. Additional details are available on the bedaquiline fumarate profile page.
Serbia Branded and Generic Drug Markets: Assessment, Regulatory Opportunities, and Challenges
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