| Memantine ratiopharm | ratiopharm GmbH | vs Axuravs Memantine LEKvs Memantine Merz |
| Axura | Merz Pharmaceuticals GmbH | vs Memantine ratiopharmvs Memantine LEKvs Memantine Merz |
| Memantine LEK | Pharmathen S.A. | vs Memantine ratiopharmvs Axuravs Memantine Merz |
| Memantine Merz | Merz Pharmaceuticals GmbH | vs Memantine ratiopharmvs Axuravs Memantine LEK |
| Nemdatine | Actavis Group PTC ehf. | vs Memantine ratiopharmvs Axuravs Memantine LEK |
| Memigmin | Egis Pharmaceuticals PLC | vs Memantine ratiopharmvs Axuravs Memantine LEK |
| Polmatine | Zakłady Farmaceutyczne POLPHARMA S.A. | vs Memantine ratiopharmvs Axuravs Memantine LEK |
| Ebixa | H. Lundbeck A/S | vs Memantine ratiopharmvs Axuravs Memantine LEK |
| Memantine Vipharm | Vipharm S.A. | vs Memantine ratiopharmvs Axuravs Memantine LEK |
| Memantine Orion | Orion Corporation | vs Memantine ratiopharmvs Axuravs Memantine LEK |
| Biomentin | Biofarm Sp. z o.o. | vs Memantine ratiopharmvs Axuravs Memantine LEK |
| Marixino | Krka, d.d., Novo mesto | vs Memantine ratiopharmvs Axuravs Memantine LEK |
| Memantin NeuroPharma | neuraxpharm Arzneimittel GmbH | vs Memantine ratiopharmvs Axuravs Memantine LEK |
| Memantine Mylan | Mylan Pharmaceuticals Ltd | vs Memantine ratiopharmvs Axuravs Memantine LEK |
| Mirvedol | Gedeon Richter Polska Sp. z o.o. | vs Memantine ratiopharmvs Axuravs Memantine LEK |
| Memantine Glenmark | Glenmark Pharmaceuticals s.r.o. | vs Memantine ratiopharmvs Axuravs Memantine LEK |
| Memantine Grindeks | AS Grindeks | vs Memantine ratiopharmvs Axuravs Memantine LEK |
| Cognomem | Zentiva, k.s. | vs Memantine ratiopharmvs Axuravs Memantine LEK |
| Zenmem | Zentiva, k.s. | vs Memantine ratiopharmvs Axuravs Memantine LEK |
| Memantine Accord | Accord Healthcare S.L.U. | vs Memantine ratiopharmvs Axuravs Memantine LEK |
| Nemedan | G.L. Pharma GmbH | vs Memantine ratiopharmvs Axuravs Memantine LEK |
| Memolek | Przedsiębiorstwo Farmaceutyczne LEK-AM Sp. z o.o. | vs Memantine ratiopharmvs Axuravs Memantine LEK |
| AuroMemo | Aurovitas Pharma Polska Sp. z o.o. | vs Memantine ratiopharmvs Axuravs Memantine LEK |