Expiring Patents

Every day patents are expiring. Under the current Patent Act, patents last a maximum of 20 years from the date of filing. There are also ‘Old Act’ patents which expiry at the later of 20 years from the date of filing or 17 years from the date of issue.

The first ‘New Act’ patents expired on October 2, 2009. ‘Old Act’ patents are still expiring based on the issued date.

Most patent applications do not become patents, and many patents do not survive to the end of their terms. Every day, patents are becoming dead for failure to pay maintenance fees or other deficiencies.

This list is automatically generated. Do not rely on any of the information on this website and webpage and confirm all information independently.

Patents Expiring This Week

Patent Number Title Owner Expiry Date
2175504 A ROTARY COMBINE HAVING A CONCENTRIC INFEED SECTION AND ECCENTRIC THRESHING AND SEPARATING SECTIONS DEERE & COMPANY (United States of America) 2016-05-01
2175513 SCREEN RETAINING ASSEMBLY APPLIED ELECTRONICS LIMITED (Canada) 2016-05-01
2175514 INTELLIGENT GROUND FAULT CIRCUIT INTERRUPTER LEVITON MANUFACTURING CO., INC. (United States of America) 2016-05-01
2175523 MULTI-LAYERED, UNBALANCED SANDWICH PANEL NORDAM GROUP, INC. (THE) (United States of America) 2016-05-01
2175529 SYNERGISTIC STABILIZER MIXTURE CIBA SPECIALTY CHEMICALS HOLDING INC. (Switzerland) 2016-05-01
2175547 SKIN CARE COMPOSITIONS CONTAINING FATTY ACID AMIDES AND RETINOL OR RETINYL ESTER UNILEVER PLC (United Kingdom) 2016-05-01
2218085 SYNTHETIC EMULSIFIERS AND THEIR USE EXXONMOBIL CHEMICAL PATENTS INC. (United States of America) 2016-05-01
2218393 METHOD AND APPARATUS FOR DEFEATING EFFECTS OF COLOR BURST MODIFICATIONS TO A VIDEO SIGNAL MACROVISION CORPORATION (United States of America) 2016-05-01
2218995 DIAGNOSTIC DETECTION DEVICE AND METHOD ARMKEL LLC (United States of America) 2016-05-01
2219106 NUCLEIC ACID LIGANDS OF TISSUE TARGET GILEAD SCIENCES, INC. (United States of America) BAYER SCHERING PHARMA AKTIENGESELLSCHAFT (Germany) 2016-05-01
2219783 CELLULAR RADIO LOCATION SYSTEM BT CELLNET LIMITED (United Kingdom) 2016-05-01
2219807 SYSTEMATIC EVOLUTION OF LIGANDS BY EXPONENTIAL ENRICHMENT: TISSUE SELEX GILEAD SCIENCES, INC. (United States of America) 2016-05-01
2219916 PREPARATION OF PRE-COATED ALUMINUM ALLOY ARTICLES MCDONNELL DOUGLAS CORPORATION (United States of America) 2016-05-01
2219995 IMPLANTABLE BIORESORBABLE MEMBRANE AND METHOD FOR THE PREPARATION THEREOF SAMYANG BIOPHARMACEUTICALS CORPORATION (Republic of Korea) 2016-05-01
2220032 SQUIRREL SHIELD DEVICE TYCO ELECTRONICS LOGISTICS AG (Switzerland) 2016-05-01
2220071 UNIQUE ELECTRODE CONFIGURATIONS FOR CARDIOVASCULAR ELECTRODE CATHETER WITH BUILT-IN DEFLECTION METHOD AND CENTRAL PULLER WIRE CORDIS WEBSTER, INC. (United States of America) 2016-05-01
2220116 DNA ENCODING GLUTAMATE GATED CHLORIDE CHANNELS MERIAL, INC. (United States of America) 2016-05-01
2220120 METHOD AND SYSTEM FOR SUPPRESSION OF FOAM OF WASTE STREAMS ENERGYSOLUTIONS, LLC (United States of America) 2016-05-01
2220133 RECOMBINANT VESICULOVIRUSES AND THEIR USES YALE UNIVERSITY (United States of America) 2016-05-01
2220294 SYSTEM FOR NON-CONTACT SENSING AND SIGNALLING USING HUMAN BODY AS SIGNAL TRANSMISSION MEDIUM MASSACHUSETTS INSTITUTE OF TECHNOLOGY (United States of America) 2016-05-01
2247890 HYBRID ANALOG/DIGITAL METHOD AND APPARATUS FOR CONTROLLING THE TRANSMISSION POWER LEVEL OF A RADIO TRANSCEIVER TTI INVENTIONS C LLC (United States of America) 2016-05-01
2175609 FUEL TANK KURARAY CO., LTD. (Japan) 2016-05-02
2175610 METHOD FOR PREDICTIVE SIGNAL PROCESSING FOR WIRELINE ACOUSTIC ARRAY LOGGING TOOLS WESTERN ATLAS INTERNATIONAL, INC. (United States of America) 2016-05-02
2175613 SURFACTANT ADDITIVE FOR OILFIELD ACIDIZING EXXON PRODUCTION RESEARCH COMPANY (United States of America) ONDEO NALCO ENERGY SERVICES, L.P. (United States of America) 2016-05-02
2175630 CONCENTRIC RING SINGLE VISION LENS DESIGNS JOHNSON & JOHNSON VISION CARE, INC. (United States of America) 2016-05-02
2175631 CONCENTRIC ANNULAR RING LENS DESIGNS FOR ASTIGMATISM JOHNSON & JOHNSON VISION PRODUCTS, INC. (United States of America) 2016-05-02
2175632 COMBINED MULTIFOCAL TORIC LENS DESIGNS JOHNSON & JOHNSON VISION CARE, INC. (United States of America) 2016-05-02
2175634 INJECTION MOLDING VALVE MEMBER WITH HEAD AND NECK PORTIONS MOLD-MASTERS (2007) LIMITED (Canada) 2016-05-02
2175641 DUAL TUBING STRING HANGING APPARATUS ROBBINS & MYERS CANADA, LTD. (Canada) 2016-05-02
2175642 DOUBLE CARDAN UNIVERSAL JOINT BALL AND SOCKET SEAL WEASLER ENGINEERING, INC. (United States of America) 2016-05-02
2175644 APPARATUS FOR CONNECTING TWO WORKPIECES TOGETHER ELPATRONIC AG (Switzerland) 2016-05-02
2175646 METHOD AND APPARATUS FOR CONNECTING TWO METALLIC WORKPIECES TOGETHER ELPATRONIC AG (Switzerland) 2016-05-02
2175652 MULTIFOCAL LENS DESIGNS WITH INTERMEDIATE OPTICAL POWERS JOHNSON & JOHNSON VISION CARE, INC. (United States of America) 2016-05-02
2175653 ASPHERIC TORIC LENS DESIGNS JOHNSON & JOHNSON VISION CARE, INC. (United States of America) 2016-05-02
2175654 CONCENTRIC ANNULAR RING LENS DESIGNS FOR ASTIGMATIC PRESBYOPES JOHNSON & JOHNSON VISION CARE, INC. (United States of America) 2016-05-02
2194249 PAPER-MAKING MACHINE HEADBOX ALLIMAND (France) 2016-05-02
2195410 DATA ADAPTER NOKIA TECHNOLOGIES OY (Finland) 2016-05-02
2205967 IMPROVED METAL MATRIX COMPOSITE TRANSNUCLEAIRE S.A. (France) 2016-05-02
2218469 APPARATUS AND METHOD FOR DETECTION OF LEAKS IN SURGICAL DRAPES O.R. SOLUTIONS, INC. (United States of America) 2016-05-02
2219119 NUCLEIC ACID LIGAND COMPLEXES GILEAD SCIENCES, INC. (United States of America) 2016-05-02
2219124 PRINTED WIRING BOARD(S) HAVING POLYIMIDEBENZOXAZOLE DIELECTRIC LAYER(S) AND THE MANUFACTURE THEREOF MICHIGAN MOLECULAR INSTITUTE (United States of America) 2016-05-02
2219531 METHOD FOR TREATING AN EXTRUDED PLASTIC SECTION AND EXTRUSION INSTALLATION THEREFOR WAVIN B.V. (Netherlands) 2016-05-02
2219876 STABLE VARIANT HK2 POLYPEPTIDE MAYO FOUNDATION FOR MEDICAL EDUCATION AND RESEARCH (United States of America) HYBRITECH INCORPORATED (United States of America) 2016-05-02
2219888 TEXTURED PROTEIC FIBER MATRIX WITH INCLUDED SOLID, LIQUID OR GASEOUS PARTICLES KERRY INGREDIENTS (UK) LIMITED (United Kingdom) 2016-05-02
2219895 SELECTION OF LIVESTOCK USING IGF LEVELS NOVOZYMES BIOPHARMA DK A/S (Denmark) 2016-05-02
2219943 HYBRID MOLECULES BETWEEN HEAT-LABILE ENTEROTOXIN AND CHOLERA TOXIN B SUBUNITS CRUCELL SWEDEN AB (Sweden) 2016-05-02
2219949 PROTEASE VARIANTS AND COMPOSITIONS NOVOZYMES A/S (Denmark) 2016-05-02
2220009 METHOD FOR PREPARING LEAVENED DOUGH OR LEAVENED PUFF PASTRY AND FOOD PRODUCTS MADE THEREFROM DOUAIRE, PHILIPPE (France) VINCENSINI, SANDRINE (France) 2016-05-02
2220048 ACELLULAR PERTUSSIS VACCINES AND METHODS OF PREPARATION THEREOF SANOFI PASTEUR LIMITED/SANOFI PASTEUR LIMITEE (Canada) 2016-05-02
2220063 ACELLULAR PERTUSSIS VACCINES AND METHODS OF PREPARATION THEREOF AVENTIS PASTEUR LIMITED/AVENTIS PASTEUR LIMITEE (Canada) 2016-05-02
2220083 RAILWAY SWITCH SETTING DEVICE VAE AKTIENGESELLSCHAFT (Austria) 2016-05-02
2220103 COMPOSITION COMPRISING AMOXYCILLIN AND CLAVULANIC ACID SMITHKLINE BEECHAM P.L.C. (United Kingdom) GLAXOSMITHKLINE LLC (United States of America) 2016-05-02
2220226 IMPROVED METHODS FOR TRANSFECTING T CELLS THE REGENTS OF THE UNIVERSITY OF MICHIGAN (United States of America) UNITED STATES OF AMERICA, REPRESENTED BY THE SECRETARY OF THE NAVY (United States of America) 2016-05-02
2220442 CHROMATIN REGULATOR GENES BOEHRINGER INGELHEIM INTERNATIONAL GMBH (Germany) 2016-05-02
2220460 FILAMENT HAVING A TRIANGULAR CROSS-SECTION AND 3 OR 6 AXIALLY EXTENDING VOIDS INVISTA TECHNOLOGIES S.A.R.L. (Switzerland) 2016-05-02
2220680 NOVEL METHOD FOR THE CONTROL OF BIODEGRADATION WTE WASSERTECHNIK GMBH (Germany) 2016-05-02
2175749 SATURATION PREVENTION SYSTEM FOR RADIO TELEPHONE WITH OPEN AND CLOSED LOOP POWER CONTROL SYSTEM CANON KABUSHIKI KAISHA (Japan) 2016-05-03
2175758 DRILLING RIG ELEVATOR WITH REPLACEABLE CLAMPING INSERTS AND METHOD FOR INSTALLATION TESCO CORPORATION (Canada) BLOHM + VOSS OIL TOOLS GMBH (Germany) 2016-05-03
2175768 TRAVELING SELF-CLEANING FISH SCREEN FARM PUMP AND IRRIGATION CO. (United States of America) 2016-05-03
2175784 METHOD AND COMPOSITION FOR PRESERVING CORE SAMPLE INTEGRITY USING A WATER SOLUBLE ENCAPSULATING MATERIAL BAKER HUGHES INCORPORATED (United States of America) 2016-05-03
2195094 TOPICAL OPHTHALMIC FORMULATIONS CONTAINING DOXEPIN DERIVATIVES FOR TREATING ALLERGIC EYE DISEASES KYOWA HAKKO KIRIN CO., LTD. (Japan) ALCON RESEARCH, LTD. (United States of America) 2016-05-03
2220084 STABILIZATION SYSTEM PONSSE OY (Finland) 2016-05-03
2220100 APPLICATION OF GLUCOSE TRANSPORT MUTANTS FOR PRODUCTION OF AROMATIC PATHWAY COMPOUNDS GENENCOR INTERNATIONAL, INC. (United States of America) UNIVERSIDAD NACIONAL AUTONOMA DE MEXICO (Mexico) 2016-05-03
2220111 NEUTRALIZATION OF TALL OIL SOAP L’AIR LIQUIDE, SOCIETE ANONYME POUR L’ETUDE ET L’EXPLOITATION DES PROCEDES GEORGES CLAUDE (France) 2016-05-03
2220152 IMPROVEMENTS IN OR RELATING TO REINFORCED CONCRETE STRUCTURAL ELEMENTS CONTEQUE LTD. (United Kingdom) 2016-05-03
2220223 HIGH PURITY CARNOSIC ACID FROM ROSEMARY AND SAGE EXTRACTS BY PH-CONTROLLED PRECIPITATION NATUREX S.A. (France) 2016-05-03
2220275 HIGH FIDELITY VIBRATION SOURCE SEISMIC METHOD MOBIL OIL CORPORATION (United States of America) 2016-05-03
2227756 APPARATUS FOR PERFORMING CORNEAL SURGERY ALPINS, NOEL AMI (Australia) 2016-05-03
1340522 FUSION PROTEINS CONTAINING NEIGHBOURING HISTIDINES FOR IMPROVED PURIFICATION F. HOFFMANN-LA ROCHE AG (Switzerland) 2016-05-04
1340523 ASSAY FOR IN VITRO MEASUREMENT OF AMINO-TELOPEPTIDES OF TYPE 1 COLLAGEN WASHINGTON RESEARCH FOUNDATION (United States of America) 2016-05-04
1340524 PROCESS FOR PREPARING OPTICALLY ACTIVE 2-ARYLPROPIONIC ACIDS RHONE-POULENC SANTE (France) 2016-05-04
1340529 PEDIATRIC IBUPROFEN COMPOSITIONS WYETH (United States of America) 2016-05-04
2175846 CERAMIC FERRULE AND CERAMIC FERRULE REFRACTORY WALL FOR SHIELDING TUBE SHEET/BOILER TUBE ASSEMBLY OF HEAT EXCHANGER BLASCH PRECISION CERAMICS, INC. (United States of America) 2016-05-06
2175850 PINNED UNITARY BEARING SEAL INPRO/SEAL LLC (United States of America) 2016-05-06
2175856 A METHOD FOR PRODUCING POSITIVE ELECTRODE MATERIAL AND LITHIUM BATTERIES INCORPORATING THIS MATERIAL NIPPON TELEGRAPH & TELEPHONE CORPORATION (Japan) 2016-05-06
2175866 GRAINED THERMOPLASTIC FILM, FABRICATION PROCESS AND FILM USAGE FOR THE PRODUCTION OF AN ARTICLE, AND ARTICLE FABRICATED THEREBY SOLVAY INDUSTRIAL FOILS MANAGEMENT AND RESEARCH (SOCIETE ANONYME) (Belgium) 2016-05-06
2175870 SURGICAL TISSUE TREATING DEVICE WITH LOCKING MECHANISM ETHICON ENDO-SURGERY, INC. (United States of America) 2016-05-06
2175883 FRAME BEAMING REDUCTION ASSEMBLY PACCAR INC. (United States of America) 2016-05-06
2191475 A DRUG, CONTAINING ONE OR MORE PLASMA DERIVATIVES BAXALTA INCORPORATED (United States of America) BAXALTA GMBH (Switzerland) 2016-05-06
2223042 HYDROCARBON GAS PROCESSING ORTLOFF ENGINEERS, LTD. (United States of America) 2016-05-06
2238042 UNIVERSAL WRAP SECURITY DEVICE CHECKPOINT SYSTEMS, INC. (United States of America) 2016-05-06
2175884 PORTABLE COMMUNICATION DEVICE SHARP KABUSHIKI KAISHA (Japan) 2016-05-07
2175936 BIOCIDAL COMPOSITIONS COMPRISING MIXTURES OF HALOPROPYNYL COMPOUNDS AND SULFUR CONTAINING TRIAZINES TROY TECHNOLOGY CORPORATION, INC. (United States of America) 2016-05-07
2175939 MANUAL CAPSULE FILLING DEVICE WASSENAAR, WILLEM (Canada) 2016-05-07
2175960 CHAIR SEAT TILTING MECHANISM LEGGETT & PLATT CANADA CO./SOCIETE LEGGETT & PLATT CANADA (Canada) 2016-05-07
2175966 ANTIBACTERIAL ORAL GEL COMPOSITION FOR APPLICATION TO DENTAL IMPLANT AREAS COLGATE-PALMOLIVE COMPANY (United States of America) 2016-05-07
2175969 BF3 REMOVAL FROM BF3 CATALYZED OLEFIN OLIGOMER INEOS USA LLC (United States of America) 2016-05-07
2175971 STABLE LIQUID COMPOSITION CONTAINING URATE OXIDASE AND LYOPHILIZED COMPOSITION FOR ITS PREPARATION SANOFI-AVENTIS (France) 2016-05-07
2175974 2-OXETANONE SIZING AGENTS AND THEIR PREPARATION AND USE SOLENIS TECHNOLOGIES CAYMAN, L.P. (Switzerland) 2016-05-07
2175987 RESETTABLE INTERNAL ACTUATING MECHANISM FOR USE WITH AN ELECTRONIC SECTIONALIZER HUBBELL INCORPORATED (United States of America) 2016-05-07
2194379 APPARATUS FOR PRODUCING CONTINUOULSLY METALLIC COIL AND PROCESS THEREFOR NIPPON STEEL CORPORATION (Japan) 2016-05-07
2218621 PROSTHETIC HEART VALVE VALVE SPECIAL PURPOSE CO.,LLC (United States of America) 2016-05-07
2218957 STEGANOGRAPHY SYSTEMS DIGIMARC CORPORATION (United States of America) 2016-05-07
2219655 PROCESS FOR THE CATALYTIC HYDROGENATION OF AROMATIC NITRO COMPOUNDS SYNGENTA PARTICIPATIONS AG (Switzerland) 2016-05-07
2219665 ANTI-SCALING AGENT FOR COATING OF POLYMERIZATION REACTORS C.I.R.S. S.P.A. (Italy) 2016-05-07
2220227 ANTI-SCALING AGENT FOR COATING OF POLYMERIZATION REACTORS AND PREPARATION PROCESS THEREOF C.I.R.S. S.P.A. (Italy) 2016-05-07
2220737 ROTARY LOCK FOR A SPLIT RAMP RAILWAY CAR CSX CORP. (United States of America) 2016-05-07
2222996 METHOD OF DEPRESSING NON-SULFIDE SILICATE GANGUE MINERALS CYTEC TECHNOLOGY CORP. (United States of America) 2016-05-07
2223694 ISOLATED NUCLEIC ACID MOLECULES, PEPTIDES WHICH FORM COMPLEXES WITH MHC MOLECULE HLA-A2 AND USES THEREOF LUDWIG INSTITUTE FOR CANCER RESEARCH (United States of America) INSERM (France) 2016-05-07
2483419 METHODS AND SYSTEMS FOR PROCESSING DIGITAL MEDIA CONTENT DIGIMARC CORPORATION (United States of America) 2016-05-07

List auto-generated on April 30, 2016

Canadian Intellectual Property