| Zenofor SR | Zentiva, k.s. | vs Metformax 500vs Siofor 500vs Formetic |
| Metformax 500 | Teva Pharmaceuticals Polska Sp. z o.o. | vs Zenofor SRvs Siofor 500vs Formetic |
| Siofor 500 | Berlin-Chemie AG (Menarini Group) | vs Zenofor SRvs Metformax 500vs Formetic |
| Formetic | Zakłady Farmaceutyczne POLPHARMA S.A. | vs Zenofor SRvs Metformax 500vs Siofor 500 |
| Valimar | Fairmed Healthcare GmbH | vs Zenofor SRvs Metformax 500vs Siofor 500 |
| Metformin Medreg | Medreg s.r.o. | vs Zenofor SRvs Metformax 500vs Siofor 500 |
| Metformin hydrochloride Inventia | Inventia Healthcare B.V. | vs Zenofor SRvs Metformax 500vs Siofor 500 |
| Metformin hydrochloride Interdos Pharma | Sohan Healthcare sro | vs Zenofor SRvs Metformax 500vs Siofor 500 |
| Metformin hydrochloride STADA | STADA Arzneimittel AG | vs Zenofor SRvs Metformax 500vs Siofor 500 |
| Diabufor XR | Farmak International Sp. z o.o. | vs Zenofor SRvs Metformax 500vs Siofor 500 |
| Siofor XR 500 mg | Berlin-Chemie AG | vs Zenofor SRvs Metformax 500vs Siofor 500 |
| IRUKA | Farmaceutici Caber S.r.l. | vs Zenofor SRvs Metformax 500vs Siofor 500 |
| Glucophage XR | Merck Santé S.A.S | vs Zenofor SRvs Metformax 500vs Siofor 500 |
| Metformin hydrochloride STADA | STADA Arzneimittel AG | vs Zenofor SRvs Metformax 500vs Siofor 500 |
| Metformin hydrochloride Sandoz | Sandoz GmbH | vs Zenofor SRvs Metformax 500vs Siofor 500 |
| Formetic SR | Zakłady Farmaceutyczne POLPHARMA S.A. | vs Zenofor SRvs Metformax 500vs Siofor 500 |
| Metformax SR 500 | Teva Pharmaceuticals Polska Sp. z o.o. | vs Zenofor SRvs Metformax 500vs Siofor 500 |
| Glucophage 500 mg | Merck Sante s.a.s. | vs Zenofor SRvs Metformax 500vs Siofor 500 |
| Metformin hydrochloride Sandoz GmbH | Sandoz GmbH | vs Zenofor SRvs Metformax 500vs Siofor 500 |
| Metformin Bluefish | Bluefish Pharmaceuticals AB | vs Zenofor SRvs Metformax 500vs Siofor 500 |
| Etform 500 | Sandoz GmbH | vs Zenofor SRvs Metformax 500vs Siofor 500 |
| Avamina | Bioton S.A. | vs Zenofor SRvs Metformax 500vs Siofor 500 |
| Meladine SR | Accord Healthcare Polska Sp. z o.o. | vs Zenofor SRvs Metformax 500vs Siofor 500 |
| Normoton | Gedeon Richter Polska Sp. z o.o. | vs Zenofor SRvs Metformax 500vs Siofor 500 |
| Metformin Vitabalans | Vitabalans Oy | vs Zenofor SRvs Metformax 500vs Siofor 500 |
| Abmetfina XR | Tarchomińskie Zakłady Farmaceutyczne "Polfa" S.A. | vs Zenofor SRvs Metformax 500vs Siofor 500 |
| Metcrean XR | Synoptis Pharma Sp. z o.o. | vs Zenofor SRvs Metformax 500vs Siofor 500 |
| Metcrean | Synoptis Pharma Sp. z o.o. | vs Zenofor SRvs Metformax 500vs Siofor 500 |
| Metformin hydrochloride Biofarm | Biofarm Sp. z o.o. | vs Zenofor SRvs Metformax 500vs Siofor 500 |
| RANMET XR | Ranbaxy (Poland) Sp. z o.o. | vs Zenofor SRvs Metformax 500vs Siofor 500 |
| Etform SR | Sandoz GmbH | vs Zenofor SRvs Metformax 500vs Siofor 500 |
| Symformin XR | Farmak International Sp. z o.o. | vs Zenofor SRvs Metformax 500vs Siofor 500 |
| Avamina SR | Bioton S.A. | vs Zenofor SRvs Metformax 500vs Siofor 500 |
| Zenofor | Zentiva, k.s. | vs Zenofor SRvs Metformax 500vs Siofor 500 |