{"id":"W2213150779","doi":"10.2139/ssrn.2263347","title":"Pfizer Canada Inc.’s Viagra Patent Invalidated","year":2013,"lang":"en","type":"article","venue":"SSRN Electronic Journal","topic":"Intellectual Property and Patents","field":"Business, Management and Accounting","cited_by":2,"is_retracted":false,"has_abstract":false,"ca_institutions":"","funders":"","keywords":"Business; Patent law; Intellectual property; Medicine; Law; Political science","routes":{"ca_aff":false,"ca_fund":false,"ca_venue":false,"about_ca":true,"invisible_to_affiliation_only":true},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.006293926,0.0006371156,0.001214079,0.002109878,0.003638192,0.00594145,0.002515075,0.01566861,0.07314441],"category_scores_gemma":[0.03187924,0.000517613,0.001036565,0.001873999,0.002474987,0.002595824,0.001427397,0.009856486,0.03002171],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.007345688,"about_ca_system_score_gemma":0.0243105,"about_ca_topic_candidate":true,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.04333644,"about_ca_topic_score_gemma":0.07736063,"domain_scores_codex":[0.991626,0.0005548008,0.0003457792,0.000752451,0.00537423,0.001346713],"domain_scores_gemma":[0.9834606,0.005308646,0.0006759182,0.001784064,0.006988796,0.001782066],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"not_applicable","study_design_gemma":"not_applicable","study_design_scores_codex":[0.0001947551,0.00007404671,0.0004665102,0.0001208674,0.00002820759,0.001160435,0.0001392577,0.00007671435,0.000789443,0.03244218,0.9021421,0.06236543],"study_design_scores_gemma":[0.00006765785,0.00009120184,0.0006283136,0.0001575505,0.00003133939,0.0007211285,0.00004837858,0.0002075337,0.001167905,0.002973803,0.9938823,0.00002293613],"study_design_candidate":"not_applicable","study_design_consensus":"not_applicable","genre_codex":"other","genre_gemma":"empirical","genre_scores_codex":[0.008545951,0.01312524,0.004518659,0.3063713,0.04189007,0.0004308103,0.006918905,0.002487621,0.6157116],"genre_scores_gemma":[0.09071454,0.006371109,0.003391335,0.08307362,0.0065711,0.0001261033,0.004483116,0.0006580098,0.8046111],"genre_candidate":"empirical","genre_consensus":null,"teacher_disagreement_score":0.9566635,"threshold_uncertainty_score":0.2446924,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.05421471110000914,"score_gpt":0.1811036665489357,"score_spread":0.1268889554489266,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). Scores rank; they never assert a category."}}