{"id":"https://openalex.org/W4245982085","doi":"https://doi.org/10.2139/ssrn.566941","title":"Worthless Patents","display_name":"Worthless Patents","publication_year":2004,"publication_date":"2004-01-01","ids":{"openalex":"https://openalex.org/W4245982085","doi":"https://doi.org/10.2139/ssrn.566941"},"language":"en","primary_location":{"id":"doi:10.2139/ssrn.566941","doi":"https://doi.org/10.2139/ssrn.566941","is_oa":true,"landing_page_url":"https://doi.org/10.2139/ssrn.566941","pdf_url":null,"source":{"id":"https://openalex.org/S4210172589","display_name":"SSRN Electronic Journal","issn_l":"1556-5068","issn":["1556-5068"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1318003438","host_organization_name":"RELX Group (Netherlands)","host_organization_lineage":["https://openalex.org/I1318003438"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":null,"raw_type":"posted-content"},"volume":null,"type":"preprint","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://doi.org/10.2139/ssrn.566941","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5108801095","display_name":"Kimberly A. Moore","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Kimberly A. Moore","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":["https://openalex.org/A5108801095"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":62,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10856","display_name":"Intellectual Property and Patents","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/1405","display_name":"Management of Technology and Innovation"},"field":{"id":"https://openalex.org/fields/14","display_name":"Business, Management and Accounting"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},"topics":[{"id":"https://openalex.org/T10856","display_name":"Intellectual Property and Patents","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/1405","display_name":"Management of Technology and Innovation"},"field":{"id":"https://openalex.org/fields/14","display_name":"Business, Management and Accounting"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T13842","display_name":"Intellectual Property Law","score":0.00039999998989515007,"subfield":{"id":"https://openalex.org/subfields/3308","display_name":"Law"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T12851","display_name":"Firm Innovation and Growth","score":9.999999747378752e-05,"subfield":{"id":"https://openalex.org/subfields/2002","display_name":"Economics and Econometrics"},"field":{"id":"https://openalex.org/fields/20","display_name":"Economics, Econometrics and Finance"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/patent-value","display_name":"patent value","score":0.9729999899864197},{"id":"https://openalex.org/keywords/maintenance-fees","display_name":"maintenance fees","score":0.7540000081062317},{"id":"https://openalex.org/keywords/patent-expiration","display_name":"patent expiry","score":0.9010000228881836},{"id":"https://openalex.org/keywords/patent-quality","display_name":"patent quality","score":0.4970000088214874},{"id":"https://openalex.org/keywords/patent-claims","display_name":"patent claims","score":0.5529999732971191},{"id":"https://openalex.org/keywords/patent-prosecution","display_name":"patent prosecution","score":0.5370000004768372},{"id":"https://openalex.org/keywords/patent-assignees","display_name":"patent assignees","score":0.6679999828338623},{"id":"https://openalex.org/keywords/foreign-patents","display_name":"foreign patents","score":0.656000018119812},{"id":"https://openalex.org/keywords/technological-differences","display_name":"technology differences","score":0.4519999921321869},{"id":"https://openalex.org/keywords/patent-licensing","display_name":"patent licensing","score":0.6850000023841858},{"id":"https://openalex.org/keywords/patent-litigation","display_name":"patent litigation","score":0.6700000166893005}],"concepts":[{"id":"https://openalex.org/C144133560","wikidata":"https://www.wikidata.org/wiki/Q4830453","display_name":"Business","level":0,"score":0.41687339544296265}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.2139/ssrn.566941","doi":"https://doi.org/10.2139/ssrn.566941","is_oa":true,"landing_page_url":"https://doi.org/10.2139/ssrn.566941","pdf_url":null,"source":{"id":"https://openalex.org/S4210172589","display_name":"SSRN Electronic Journal","issn_l":"1556-5068","issn":["1556-5068"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1318003438","host_organization_name":"RELX Group (Netherlands)","host_organization_lineage":["https://openalex.org/I1318003438"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":null,"raw_type":"posted-content"}],"best_oa_location":{"id":"doi:10.2139/ssrn.566941","doi":"https://doi.org/10.2139/ssrn.566941","is_oa":true,"landing_page_url":"https://doi.org/10.2139/ssrn.566941","pdf_url":null,"source":{"id":"https://openalex.org/S4210172589","display_name":"SSRN Electronic Journal","issn_l":"1556-5068","issn":["1556-5068"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1318003438","host_organization_name":"RELX Group (Netherlands)","host_organization_lineage":["https://openalex.org/I1318003438"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":null,"raw_type":"posted-content"},"sustainable_development_goals":[],"sustainable_development_goals_aurora":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":3,"referenced_works":["https://openalex.org/W181858238","https://openalex.org/W2026484378","https://openalex.org/W2554451598"],"related_works":["https://openalex.org/W2975650137","https://openalex.org/W4320005625","https://openalex.org/W3124021990","https://openalex.org/W2363243523","https://openalex.org/W2383076431","https://openalex.org/W3009272659","https://openalex.org/W2266182425","https://openalex.org/W1992679964","https://openalex.org/W2892152334","https://openalex.org/W2104115831"],"abstract_inverted_index":null,"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":5},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":6},{"year":2020,"cited_by_count":3},{"year":2019,"cited_by_count":6},{"year":2018,"cited_by_count":7},{"year":2017,"cited_by_count":4},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":1},{"year":2014,"cited_by_count":4},{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":1}],"updated_date":"2026-10-16T09:59:22.235173","created_date":"2022-05-12T00:00:00"}
