Patent assignee · US · COMPANY

XENOPORT, INC.

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142Patents
107Active
142Granted
54Portfolio score

Filing activity: Sep 14, 2000 → Sep 6, 2017 · 79 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US7101912B2 Carbidopa prodrugs and derivatives, and compositions and uses thereof Chemistry; Metallurgy 79 Expired
US8778991B2 Prodrugs of methyl hydrogen fumarate, pharmaceutical compositions thereof, and methods of use Chemistry; Metallurgy 65 Active
US6818787B2 Prodrugs of GABA analogs, compositions and uses thereof Chemistry; Metallurgy 48 Expired
US8148414B2 Prodrugs of methyl hydrogen fumarate, pharmaceutical compositions thereof, and methods of use Chemistry; Metallurgy 45 Active
US7227028B2 Synthesis of acyloxyalkyl carbamate prodrugs and intermediates thereof Chemistry; Metallurgy 43 Expired
US7265096B2 Gemcitabine prodrugs, pharmaceutical compositions and uses thereof Human Necessities 42 Expired
US8344028B2 Gamma-amino-butyric acid derivatives as GABAB receptor ligands Chemistry; Metallurgy 33 Active
US6972341B2 Prodrugs of GABA analogs, compositions and uses thereof Chemistry; Metallurgy 29 Expired
US7109239B2 Acyloxyalkyl carbamate prodrugs, methods of synthesis and use Chemistry; Metallurgy 27 Expired
US7186855B2 Prodrugs of GABA analogs, compositions and uses thereof Chemistry; Metallurgy 26 Expired
US7232924B2 Methods for synthesis of acyloxyalkyl derivatives of GABA analogs Chemistry; Metallurgy 23 Expired
US7351740B2 Acyloxyalkyl carbamate prodrugs of tranexamic acid, methods of synthesis and use Chemistry; Metallurgy 22 Active
US7534813B2 Levodopa prodrugs, and compositions and uses thereof Chemistry; Metallurgy 22 Active
US7893105B2 Levodopa prodrug mesylate, compositions thereof, and uses thereof Chemistry; Metallurgy 22 Active
US7413536B1 Substrates and screening methods for transport proteins Chemistry; Metallurgy 19 Expired
US7342131B2 Levodopa prodrugs, and compositions and uses thereof Chemistry; Metallurgy 18 Expired
US7144877B2 Bile-acid derived compounds for enhancing oral absorption and systemic bioavailability of drugs Human Necessities 18 Expired
US7749985B2 Acyloxyalkyl carbamate prodrugs, methods of synthesis and use Human Necessities 18 Active
US8168617B2 Complex pantoic acid ester neopentyl sulfonyl ester cyclization release prodrugs of acamprosate, compositions thereof, and methods of use Human Necessities 18 Active
US7511158B2 Synthesis of acyloxyalkyl carbamate prodrugs and intermediates thereof Chemistry; Metallurgy 17 Active
US7563821B2 Levodopa prodrug mesylate, compositions thereof, and uses thereof Chemistry; Metallurgy 16 Active
US6833140B2 Orally administered dosage forms of GABA analog prodrugs having reduced toxicity Chemistry; Metallurgy 16 Expired
US7601706B2 Bile-acid conjugates providing for sustained systemic concentration of drugs Chemistry; Metallurgy 16 Active
US7671089B2 Levodopa prodrugs, and compositions and uses thereof Human Necessities 15 Active
US7829592B2 Catechol protected levodopa diester prodrugs, compositions, and methods of use Chemistry; Metallurgy 15 Active

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.