QLT INC.
47Patents
8Active
47Granted
41Portfolio score
Filing activity: Nov 20, 1996 → Apr 19, 2011 · 7 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6274614A | Methods, compositions and articles for reducing or preventing the effects of inflammation | Human Necessities | 82 | Expired |
| US7998497B2 | Nasolacrimal drainage system implants for drug therapy | Human Necessities | 53 | Active |
| US7753943B2 | Reduced fluence rate PDT | Human Necessities | 41 | Expired |
| US6890555B1 | Liposome compositions of porphyrin photosensitizers | Human Necessities | 36 | Expired |
| US6100290A | Photodynamic therapy in selective cell inactivation in blood and treating immune dysfunction diseases | Human Necessities | 35 | Expired |
| US6364907B1 | Method to prevent xenograft transplant rejection | Human Necessities | 30 | Expired |
| US8333726B2 | Lacrimal implants and related methods | Emerging Cross-Sectional Technologies | 27 | Active |
| US6599891B2 | Treatment of macular edema | Human Necessities | 26 | Expired |
| US6609014B1 | Use of PDT to inhibit intimal hyperplasia | Human Necessities | 22 | Expired |
| US8106038B2 | Method for reducing or preventing PDT related inflammation | Human Necessities | 22 | Expired |
| US6800086B2 | Reduced fluence rate PDT | Human Necessities | 21 | Expired |
| US6180402A | Method for inhibiting apoptosis induced by photodynamic therapy using a cysteine or serine protease inhibitor | Human Necessities | 16 | Expired |
| US6117862A | Model and method for angiogenesis inhibition | Human Necessities | 16 | Expired |
| US7015240B2 | Treatment of macular edema | Human Necessities | 12 | Expired |
| US6677366B2 | Methods, compositions and articles for reducing or preventing the effects of inflammation | Human Necessities | 12 | Expired |
| US7556308B2 | Sunvisor of a vehicle | Performing Operations; Transporting | 11 | Expired |
| US7678829B2 | Oculoselective drugs and prodrugs | Emerging Cross-Sectional Technologies | 10 | Active |
| US7090691B2 | Photodynamic therapy for the treatment of hair loss | Human Necessities | 10 | Expired |
| US7264629B2 | Photodynamic therapy for the treatment of hair loss | Human Necessities | 10 | Expired |
| US6849058B1 | Photodynamic therapy in selective cell inactivation in blood and treating immune dysfunction diseases | Human Necessities | 9 | Expired |
| US6235767A | Methods to treat arterial plaque | Human Necessities | 7 | Expired |
| US7347480B2 | Electromotive sunvisor assembly of a vehicle and the method thereof | Performing Operations; Transporting | 7 | Expired |
| US6984395B2 | Drug delivery system for hydrophobic drugs | Human Necessities | 6 | Expired |
| US7393869B2 | Methods of using thiazolidine derivatives to treat cancer or inflammation | Human Necessities | 6 | Expired |
| US7922702B2 | Treatment medium delivery device and methods for delivery of such treatment mediums to the eye using such a delivery device | Human Necessities | 6 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.