BR112018017276A2 - anticorpos anti-tnf-alfa e fragmentos funcionais dos mesmos - Google Patents
anticorpos anti-tnf-alfa e fragmentos funcionais dos mesmosInfo
- Publication number
- BR112018017276A2 BR112018017276A2 BR112018017276A BR112018017276A BR112018017276A2 BR 112018017276 A2 BR112018017276 A2 BR 112018017276A2 BR 112018017276 A BR112018017276 A BR 112018017276A BR 112018017276 A BR112018017276 A BR 112018017276A BR 112018017276 A2 BR112018017276 A2 BR 112018017276A2
- Authority
- BR
- Brazil
- Prior art keywords
- functional fragments
- tnf
- alpha antibodies
- alpha
- tnfa
- Prior art date
Links
- 239000012634 fragment Substances 0.000 title abstract 2
- 101150033527 TNF gene Proteins 0.000 abstract 1
- 108060008682 Tumor Necrosis Factor Proteins 0.000 abstract 1
- 102000000852 Tumor Necrosis Factor-alpha Human genes 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 230000001225 therapeutic effect Effects 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K16/00—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies
- C07K16/18—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from animals or humans
- C07K16/24—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from animals or humans against cytokines, lymphokines or interferons
- C07K16/241—Tumor Necrosis Factors
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P1/00—Drugs for disorders of the alimentary tract or the digestive system
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P1/00—Drugs for disorders of the alimentary tract or the digestive system
- A61P1/04—Drugs for disorders of the alimentary tract or the digestive system for ulcers, gastritis or reflux esophagitis, e.g. antacids, inhibitors of acid secretion, mucosal protectants
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P29/00—Non-central analgesic, antipyretic or antiinflammatory agents, e.g. antirheumatic agents; Non-steroidal antiinflammatory drugs [NSAID]
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P37/00—Drugs for immunological or allergic disorders
- A61P37/02—Immunomodulators
- A61P37/06—Immunosuppressants, e.g. drugs for graft rejection
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K38/00—Medicinal preparations containing peptides
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K2317/00—Immunoglobulins specific features
- C07K2317/20—Immunoglobulins specific features characterized by taxonomic origin
- C07K2317/24—Immunoglobulins specific features characterized by taxonomic origin containing regions, domains or residues from different species, e.g. chimeric, humanized or veneered
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K2317/00—Immunoglobulins specific features
- C07K2317/30—Immunoglobulins specific features characterized by aspects of specificity or valency
- C07K2317/33—Crossreactivity, e.g. for species or epitope, or lack of said crossreactivity
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K2317/00—Immunoglobulins specific features
- C07K2317/60—Immunoglobulins specific features characterized by non-natural combinations of immunoglobulin fragments
- C07K2317/62—Immunoglobulins specific features characterized by non-natural combinations of immunoglobulin fragments comprising only variable region components
- C07K2317/622—Single chain antibody (scFv)
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K2317/00—Immunoglobulins specific features
- C07K2317/60—Immunoglobulins specific features characterized by non-natural combinations of immunoglobulin fragments
- C07K2317/62—Immunoglobulins specific features characterized by non-natural combinations of immunoglobulin fragments comprising only variable region components
- C07K2317/626—Diabody or triabody
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K2317/00—Immunoglobulins specific features
- C07K2317/70—Immunoglobulins specific features characterized by effect upon binding to a cell or to an antigen
- C07K2317/73—Inducing cell death, e.g. apoptosis, necrosis or inhibition of cell proliferation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K2317/00—Immunoglobulins specific features
- C07K2317/70—Immunoglobulins specific features characterized by effect upon binding to a cell or to an antigen
- C07K2317/76—Antagonist effect on antigen, e.g. neutralization or inhibition of binding
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K2317/00—Immunoglobulins specific features
- C07K2317/90—Immunoglobulins specific features characterized by (pharmaco)kinetic aspects or by stability of the immunoglobulin
- C07K2317/92—Affinity (KD), association rate (Ka), dissociation rate (Kd) or EC50 value
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K2317/00—Immunoglobulins specific features
- C07K2317/90—Immunoglobulins specific features characterized by (pharmaco)kinetic aspects or by stability of the immunoglobulin
- C07K2317/94—Stability, e.g. half-life, pH, temperature or enzyme-resistance
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medicinal Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Engineering & Computer Science (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Public Health (AREA)
- Animal Behavior & Ethology (AREA)
- Veterinary Medicine (AREA)
- Pharmacology & Pharmacy (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Proteomics, Peptides & Aminoacids (AREA)
- Genetics & Genomics (AREA)
- Molecular Biology (AREA)
- Biophysics (AREA)
- Biochemistry (AREA)
- Transplantation (AREA)
- Pain & Pain Management (AREA)
- Rheumatology (AREA)
- Epidemiology (AREA)
- Peptides Or Proteins (AREA)
- Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
- Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
- Micro-Organisms Or Cultivation Processes Thereof (AREA)
Abstract
a presente invenção refere-se a moléculas de anticorpo e fragmentos funcionais das mesmas, capazes de se ligarem ao fator de necrose tumoral alfa (tnfa), a processos para sua produção e a seus usos terapêuticos.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP16160936 | 2016-03-17 | ||
PCT/EP2017/056218 WO2017158079A1 (en) | 2016-03-17 | 2017-03-16 | Anti-tnfalpha-antibodies and functional fragments thereof |
Publications (1)
Publication Number | Publication Date |
---|---|
BR112018017276A2 true BR112018017276A2 (pt) | 2019-02-05 |
Family
ID=55542586
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR112018017276A BR112018017276A2 (pt) | 2016-03-17 | 2017-03-16 | anticorpos anti-tnf-alfa e fragmentos funcionais dos mesmos |
Country Status (11)
Country | Link |
---|---|
US (1) | US10787508B2 (pt) |
EP (1) | EP3430041B1 (pt) |
JP (1) | JP7049311B2 (pt) |
KR (1) | KR102392746B1 (pt) |
CN (1) | CN108884156B (pt) |
BR (1) | BR112018017276A2 (pt) |
CA (1) | CA3011500A1 (pt) |
EA (1) | EA039323B1 (pt) |
IL (1) | IL261261B2 (pt) |
MA (1) | MA43715A (pt) |
WO (1) | WO2017158079A1 (pt) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3219726B1 (en) | 2016-03-17 | 2020-12-02 | Tillotts Pharma AG | Anti-tnf alpha-antibodies and functional fragments thereof |
ES2843974T3 (es) | 2016-03-17 | 2021-07-21 | Tillotts Pharma Ag | Anticuerpos anti-TNF alfa y fragmentos funcionales de los mismos |
MA43716A (fr) | 2016-03-17 | 2018-11-28 | Numab Innovation Ag | Anticorps anti-tnf et fragments fonctionnels de ceux-ci |
WO2020114616A1 (en) | 2018-12-07 | 2020-06-11 | Tillotts Pharma Ag | Topical treatment of immune checkpoint inhibitor induced diarrhoea, colitis or enterocolitis using antibodies and fragments thereof |
US20230340112A1 (en) * | 2020-02-28 | 2023-10-26 | Apexigen, Inc. | Anti-sirpa antibodies and methods of use |
Family Cites Families (52)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4444887A (en) | 1979-12-10 | 1984-04-24 | Sloan-Kettering Institute | Process for making human antibody producing B-lymphocytes |
US4716111A (en) | 1982-08-11 | 1987-12-29 | Trustees Of Boston University | Process for producing human antibodies |
GB8308235D0 (en) | 1983-03-25 | 1983-05-05 | Celltech Ltd | Polypeptides |
US4816567A (en) | 1983-04-08 | 1989-03-28 | Genentech, Inc. | Recombinant immunoglobin preparations |
US5807715A (en) | 1984-08-27 | 1998-09-15 | The Board Of Trustees Of The Leland Stanford Junior University | Methods and transformed mammalian lymphocyte cells for producing functional antigen-binding protein including chimeric immunoglobulin |
GB8422238D0 (en) | 1984-09-03 | 1984-10-10 | Neuberger M S | Chimeric proteins |
US5225539A (en) | 1986-03-27 | 1993-07-06 | Medical Research Council | Recombinant altered antibodies and methods of making altered antibodies |
GB8607679D0 (en) | 1986-03-27 | 1986-04-30 | Winter G P | Recombinant dna product |
GB8720833D0 (en) | 1987-09-04 | 1987-10-14 | Celltech Ltd | Recombinant dna product |
US5530101A (en) | 1988-12-28 | 1996-06-25 | Protein Design Labs, Inc. | Humanized immunoglobulins |
GB8907617D0 (en) | 1989-04-05 | 1989-05-17 | Celltech Ltd | Drug delivery system |
US5413923A (en) | 1989-07-25 | 1995-05-09 | Cell Genesys, Inc. | Homologous recombination for universal donor cells and chimeric mammalian hosts |
GB8928874D0 (en) | 1989-12-21 | 1990-02-28 | Celltech Ltd | Humanised antibodies |
ATE139258T1 (de) | 1990-01-12 | 1996-06-15 | Cell Genesys Inc | Erzeugung xenogener antikörper |
GB9015198D0 (en) | 1990-07-10 | 1990-08-29 | Brien Caroline J O | Binding substance |
US5814318A (en) | 1990-08-29 | 1998-09-29 | Genpharm International Inc. | Transgenic non-human animals for producing heterologous antibodies |
US5633425A (en) | 1990-08-29 | 1997-05-27 | Genpharm International, Inc. | Transgenic non-human animals capable of producing heterologous antibodies |
US5545806A (en) | 1990-08-29 | 1996-08-13 | Genpharm International, Inc. | Ransgenic non-human animals for producing heterologous antibodies |
US5625126A (en) | 1990-08-29 | 1997-04-29 | Genpharm International, Inc. | Transgenic non-human animals for producing heterologous antibodies |
US5661016A (en) | 1990-08-29 | 1997-08-26 | Genpharm International Inc. | Transgenic non-human animals capable of producing heterologous antibodies of various isotypes |
ATE158021T1 (de) | 1990-08-29 | 1997-09-15 | Genpharm Int | Produktion und nützung nicht-menschliche transgentiere zur produktion heterologe antikörper |
GB9109645D0 (en) | 1991-05-03 | 1991-06-26 | Celltech Ltd | Recombinant antibodies |
US5919452A (en) | 1991-03-18 | 1999-07-06 | New York University | Methods of treating TNFα-mediated disease using chimeric anti-TNF antibodies |
DE69233482T2 (de) | 1991-05-17 | 2006-01-12 | Merck & Co., Inc. | Verfahren zur Verminderung der Immunogenität der variablen Antikörperdomänen |
IE922437A1 (en) | 1991-07-25 | 1993-01-27 | Idec Pharma Corp | Recombinant antibodies for human therapy |
ES2136092T3 (es) | 1991-09-23 | 1999-11-16 | Medical Res Council | Procedimientos para la produccion de anticuerpos humanizados. |
US5885793A (en) | 1991-12-02 | 1999-03-23 | Medical Research Council | Production of anti-self antibodies from antibody segment repertoires and displayed on phage |
US5639641A (en) | 1992-09-09 | 1997-06-17 | Immunogen Inc. | Resurfacing of rodent antibodies |
NO309690B1 (no) | 1995-01-23 | 2001-03-12 | Western Atlas Int Inc | Detonasjonsanordning av type eksploderende brotråd for bruk med et perforeringsverktöy i en brönn |
EP1978033A3 (en) | 1995-04-27 | 2008-12-24 | Amgen Fremont Inc. | Human antibodies derived from immunized xenomice |
EP0823941A4 (en) | 1995-04-28 | 2001-09-19 | Abgenix Inc | HUMAN ANTIBODIES DERIVED FROM IMMUNIZED XENO MOUSES |
US5916771A (en) | 1996-10-11 | 1999-06-29 | Abgenix, Inc. | Production of a multimeric protein by cell fusion method |
AU5702298A (en) | 1996-12-03 | 1998-06-29 | Abgenix, Inc. | Transgenic mammals having human Ig loci including plural VH and VK regions nd antibodies produced therefrom |
GB9625640D0 (en) | 1996-12-10 | 1997-01-29 | Celltech Therapeutics Ltd | Biological products |
DK0970126T3 (da) | 1997-04-14 | 2001-08-13 | Micromet Ag | Hidtil ukendt fremgangsmåde til fremstillingen af anti-humant antigen-receptorer og anvendelser deraf |
US6235883B1 (en) | 1997-05-05 | 2001-05-22 | Abgenix, Inc. | Human monoclonal antibodies to epidermal growth factor receptor |
ES2301254T3 (es) | 1998-11-18 | 2008-06-16 | Genentech, Inc. | Variantes de anticuerpos con una afinidad de union mayor en comparacion con los anticuerpos parentales. |
GB0412181D0 (en) | 2004-06-01 | 2004-06-30 | Celltech R&D Ltd | Biological products |
US7431927B2 (en) * | 2005-03-24 | 2008-10-07 | Epitomics, Inc. | TNFα-neutralizing antibodies |
WO2006131013A2 (en) | 2005-06-07 | 2006-12-14 | Esbatech Ag | STABLE AND SOLUBLE ANTIBODIES INHIBITING TNFα |
PL3444274T3 (pl) | 2008-06-25 | 2021-06-14 | Novartis Ag | Stabilne i rozpuszczalne przeciwciała hamujące tnf |
DK2307458T3 (en) | 2008-06-25 | 2018-07-16 | Esbatech Alcon Biomed Res Unit | Humanization of rabbit antibodies using a universal antibody framework |
JP5579713B2 (ja) | 2008-07-10 | 2014-08-27 | エスバテック − ア ノバルティス カンパニー エルエルシー | 高分子の送達増強のための方法および組成物 |
AU2011277983C1 (en) * | 2010-07-16 | 2016-09-29 | Ablynx Nv | Modified single domain antigen binding molecules and uses thereof |
CN102443063B (zh) * | 2010-09-30 | 2013-10-23 | 成都康弘生物科技有限公司 | 抗TNFα的人源化Fab和人源化抗体及其用途 |
CN103299422B (zh) * | 2010-12-29 | 2016-11-02 | 3M创新有限公司 | 具有宽带输出和可控颜色的远程荧光粉led装置 |
IL293477B2 (en) | 2013-06-26 | 2024-11-01 | Numab Therapeutics AG | New frameworks for antibodies |
WO2015065987A1 (en) * | 2013-11-01 | 2015-05-07 | Ibc Pharmaceuticals, Inc. | Bispecific antibodies that neutralize both tnf-alpha and il-6: novel therapeutic agent for autoimmune disease |
BR112016022055A2 (pt) | 2014-03-26 | 2017-10-24 | Cell Medica Switzerland Ag | elementos de ligação ao tnf alfa |
ES2843974T3 (es) | 2016-03-17 | 2021-07-21 | Tillotts Pharma Ag | Anticuerpos anti-TNF alfa y fragmentos funcionales de los mismos |
MA43716A (fr) | 2016-03-17 | 2018-11-28 | Numab Innovation Ag | Anticorps anti-tnf et fragments fonctionnels de ceux-ci |
EP3219726B1 (en) | 2016-03-17 | 2020-12-02 | Tillotts Pharma AG | Anti-tnf alpha-antibodies and functional fragments thereof |
-
2017
- 2017-03-16 EP EP17710745.5A patent/EP3430041B1/en active Active
- 2017-03-16 MA MA043715A patent/MA43715A/fr unknown
- 2017-03-16 US US16/085,570 patent/US10787508B2/en active Active
- 2017-03-16 KR KR1020187024778A patent/KR102392746B1/ko active Active
- 2017-03-16 CN CN201780012617.7A patent/CN108884156B/zh active Active
- 2017-03-16 JP JP2019500011A patent/JP7049311B2/ja active Active
- 2017-03-16 CA CA3011500A patent/CA3011500A1/en active Pending
- 2017-03-16 EA EA201892094A patent/EA039323B1/ru unknown
- 2017-03-16 IL IL261261A patent/IL261261B2/en unknown
- 2017-03-16 BR BR112018017276A patent/BR112018017276A2/pt active Search and Examination
- 2017-03-16 WO PCT/EP2017/056218 patent/WO2017158079A1/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
IL261261B2 (en) | 2024-04-01 |
JP7049311B2 (ja) | 2022-04-06 |
JP2019512266A (ja) | 2019-05-16 |
IL261261A (en) | 2018-10-31 |
US10787508B2 (en) | 2020-09-29 |
CN108884156B (zh) | 2021-10-01 |
EA201892094A1 (ru) | 2019-02-28 |
EA039323B1 (ru) | 2022-01-13 |
CA3011500A1 (en) | 2017-09-21 |
MA43715A (fr) | 2018-11-28 |
WO2017158079A1 (en) | 2017-09-21 |
KR102392746B1 (ko) | 2022-04-29 |
US20190153089A1 (en) | 2019-05-23 |
EP3430041B1 (en) | 2023-05-24 |
EP3430041A1 (en) | 2019-01-23 |
IL261261B1 (en) | 2023-12-01 |
KR20180120684A (ko) | 2018-11-06 |
CN108884156A (zh) | 2018-11-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
BR112018067713A2 (pt) | anticorpos anti-tnfalfa e fragmentos funcionais dos mesmos | |
BR112018016667A2 (pt) | anticorpos anti-tnf alfa e fragmentos funcionais dos mesmos | |
BR112016009797A2 (pt) | anticorpos específicos de ligante 1a do tipo fator de necrose tumoral e composições e usos dos mesmos | |
BR112018017276A2 (pt) | anticorpos anti-tnf-alfa e fragmentos funcionais dos mesmos | |
BR112018006360A2 (pt) | anticorpos agonísticos que se ligam especificamente ao cd40 humano e métodos de uso | |
BR112018010891A2 (pt) | anticorpos e fragmentos de anticorpos para a conjugação específica do sítio | |
BR112016028378A2 (pt) | anticorpos contra o receptor do fator de necrose tumoral induzido por glicocorticoide (gitr) e usos dos mesmos | |
BR112018010172A2 (pt) | anticorpos contra receptor de fator de necrose de tumor induzido por glicocorticoide (gitr) e usos dos mesmos | |
EA201892616A1 (ru) | Антитела к pd1 и lag3 для лечения злокачественного новообразования | |
EA201891709A1 (ru) | Антигенсвязывающие белки, связывающие pd-l1 | |
BR112018068678A2 (pt) | anticorpos anti-mica | |
WO2015037000A8 (en) | Vstm5 polypeptides and uses thereof for treatment of cancer, infectious diseases and immune related diseases | |
BR112019010595A2 (pt) | anticorpo ou fragmento de ligação ao antígeno do mesmo, combinação de moléculas de ácido nucleico isoladas, composição farmacêutica, kit, e, método para selecionar um composto. | |
AR105444A1 (es) | Anticuerpos terapéuticos que se unen a la proteína codificada por el gen de activación de linfocitos 3 (lag3) | |
BR112018075434A2 (pt) | anticorpo isolado ou fragmento de ligação de antígeno do mesmo, composição farmacêutica, e, métodos para tratar câncer e para modular resposta imune antitumor. | |
MX2017004311A (es) | Anticuerpos del receptor del factor de necrosis tumoral inducido por glucocorticoide (gitr) y metodos de uso de los mismos. | |
BR112015022123A8 (pt) | Anticorpos, fragmentos de ligação ao antígeno dos mesmos que se ligam especificamente à hepcidina ou um peptídeo de hepcidina, uso, meio contentor e kit | |
WO2015197598A3 (en) | Multispecific antigen binding proteins | |
BR112013021562A2 (pt) | anticorpos para cd70 | |
BR112018012344A2 (pt) | anticorpos que se ligam especificamente a hla-dr e seus usos | |
BR112018017165A2 (pt) | anticorpos anti-tnf-alfa e fragmentos funcionais dos mesmos | |
MX2024003627A (es) | Anticuerpos contra el receptor del factor de necrosis tumoral inducido por glucocorticoides (gitr) y sus metodos de uso. | |
BR112017024714A2 (pt) | métodos para preparação do fator de von willebrand modificado | |
BR112016024742A2 (pt) | método para a seleção de uma proteína, proteínas de ligação ao antígeno, anticorpos, imunoconjugado, formulação farmacêutica, uso do anticorpo, ácido nucleico e polipeptídeo | |
EA201792032A1 (ru) | Анти-pdl1-антитела, активируемые анти-pdl1-антитела и способы их применения |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
B350 | Update of information on the portal [chapter 15.35 patent gazette] | ||
B06F | Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette] | ||
B06W | Patent application suspended after preliminary examination (for patents with searches from other patent authorities) chapter 6.23 patent gazette] |