Search

Erich A. Leeser

Examiner (ID: 2093, Phone: (571)272-9932 , Office: P/1624 )

Most Active Art Unit
1624
Art Unit(s)
1624, 1622
Total Applications
1751
Issued Applications
1335
Pending Applications
99
Abandoned Applications
342

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20213512 [patent_doc_number] => 12410154 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-09 [patent_title] => 5-heteroaryl-1H-pyrazol-3-amine derivative [patent_app_type] => utility [patent_app_number] => 17/772093 [patent_app_country] => US [patent_app_date] => 2021-11-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 44021 [patent_no_of_claims] => 70 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 398 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17772093 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/772093
5-heteroaryl-1H-pyrazol-3-amine derivative Nov 28, 2021 Issued
Array ( [id] => 17761443 [patent_doc_number] => 20220235055 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-28 [patent_title] => 5-(2,5-DIFLUOROPHENYL)PYRROLIDIN-1-YL)-3-(1H-PYRAZOL-1-YL)PYRAZOLO [1,5-A]PYRIMIDINE DERIVATIVES AND RELATED COMPOUNDS AS TRK KINASE INHIBITORS FOR TREATING CANCER [patent_app_type] => utility [patent_app_number] => 17/533954 [patent_app_country] => US [patent_app_date] => 2021-11-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 26250 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17533954 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/533954
5-(2,5-DIFLUOROPHENYL)PYRROLIDIN-1-YL)-3-(1H-PYRAZOL-1-YL)PYRAZOLO [1,5-A]PYRIMIDINE DERIVATIVES AND RELATED COMPOUNDS AS TRK KINASE INHIBITORS FOR TREATING CANCER Nov 22, 2021 Abandoned
Array ( [id] => 17477869 [patent_doc_number] => 20220085373 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-17 [patent_title] => BIO-INSPIRED POLYFLAVIN ELECTRODES FOR ENERGY STORAGE DEVICES [patent_app_type] => utility [patent_app_number] => 17/529729 [patent_app_country] => US [patent_app_date] => 2021-11-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15839 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 142 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17529729 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/529729
BIO-INSPIRED POLYFLAVIN ELECTRODES FOR ENERGY STORAGE DEVICES Nov 17, 2021 Abandoned
Array ( [id] => 18610778 [patent_doc_number] => 20230277508 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-07 [patent_title] => USE OF COMPOUND AS CYP2E1 INHIBITOR [patent_app_type] => utility [patent_app_number] => 18/024070 [patent_app_country] => US [patent_app_date] => 2021-10-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 26796 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18024070 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/024070
USE OF COMPOUND AS CYP2E1 INHIBITOR Oct 28, 2021 Pending
Array ( [id] => 17627198 [patent_doc_number] => 20220162213 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-26 [patent_title] => SOLID STATE FORMS OF SUBSTITUTED PYRAZOLOPYRIMIDINES AND USES THEREOF [patent_app_type] => utility [patent_app_number] => 17/512802 [patent_app_country] => US [patent_app_date] => 2021-10-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 37536 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17512802 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/512802
Solid state forms of substituted pyrazolopyrimidines and uses thereof Oct 27, 2021 Issued
Array ( [id] => 19425013 [patent_doc_number] => 12084414 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-09-10 [patent_title] => Therapeutic compounds and compositions [patent_app_type] => utility [patent_app_number] => 17/506276 [patent_app_country] => US [patent_app_date] => 2021-10-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 24 [patent_figures_cnt] => 24 [patent_no_of_words] => 34375 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 337 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17506276 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/506276
Therapeutic compounds and compositions Oct 19, 2021 Issued
Array ( [id] => 17398087 [patent_doc_number] => 20220040177 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-02-10 [patent_title] => Compounds, Compositions and Methods of Treating or Preventing Acute Lung Injury [patent_app_type] => utility [patent_app_number] => 17/497191 [patent_app_country] => US [patent_app_date] => 2021-10-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16250 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -23 [patent_words_short_claim] => 43 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17497191 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/497191
Compounds, compositions and methods of treating or preventing acute lung injury Oct 7, 2021 Issued
Array ( [id] => 17369887 [patent_doc_number] => 20220024939 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-01-27 [patent_title] => SUBSTITUTED 1,2-DIHYDRO-3H-PYRAZOLO[3,4-D]PYRIMIDIN-3-ONES [patent_app_type] => utility [patent_app_number] => 17/497355 [patent_app_country] => US [patent_app_date] => 2021-10-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 31599 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 299 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17497355 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/497355
SUBSTITUTED 1,2-DIHYDRO-3H-PYRAZOLO[3,4-D]PYRIMIDIN-3-ONES Oct 7, 2021 Abandoned
Array ( [id] => 17672652 [patent_doc_number] => 20220185819 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-16 [patent_title] => 5-ALKYLQUINAZOLINE DERIVATIVE, METHOD OF PREPARING THE SAME, AND METHOD OF USING THE SAME [patent_app_type] => utility [patent_app_number] => 17/488847 [patent_app_country] => US [patent_app_date] => 2021-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2609 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 25 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17488847 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/488847
5-alkylquinazoline derivative, method of preparing the same, and method of using the same Sep 28, 2021 Issued
Array ( [id] => 20622585 [patent_doc_number] => 12590082 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-03-31 [patent_title] => Fused tricyclic derivative and pharmaceutical application thereof [patent_app_type] => utility [patent_app_number] => 18/027049 [patent_app_country] => US [patent_app_date] => 2021-09-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 34324 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 10 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18027049 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/027049
Fused tricyclic derivative and pharmaceutical application thereof Sep 27, 2021 Issued
Array ( [id] => 17472422 [patent_doc_number] => 20220079926 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-17 [patent_title] => INHIBITORS OF DIHYDROCERAMIDE DESATURASE FOR TREATING DISEASE [patent_app_type] => utility [patent_app_number] => 17/477953 [patent_app_country] => US [patent_app_date] => 2021-09-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 26497 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -41 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17477953 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/477953
Inhibitors of dihydroceramide desaturase for treating disease Sep 16, 2021 Issued
Array ( [id] => 19403563 [patent_doc_number] => 20240287074 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-29 [patent_title] => SALTS AND CRYSTALS [patent_app_type] => utility [patent_app_number] => 18/044190 [patent_app_country] => US [patent_app_date] => 2021-09-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14069 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 5 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18044190 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/044190
SALTS AND CRYSTALS Sep 6, 2021 Pending
Array ( [id] => 18955083 [patent_doc_number] => 20240043410 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-08 [patent_title] => SULPHAMOYL UREA DERIVATIVES CONTAINING ALKYL-OXACYCLOALKYL MOIETY AND USES THEREOF [patent_app_type] => utility [patent_app_number] => 18/043883 [patent_app_country] => US [patent_app_date] => 2021-09-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 31458 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18043883 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/043883
SULPHAMOYL UREA DERIVATIVES CONTAINING ALKYL-OXACYCLOALKYL MOIETY AND USES THEREOF Sep 2, 2021 Pending
Array ( [id] => 17299388 [patent_doc_number] => 20210395227 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-12-23 [patent_title] => THERAPEUTIC COMPOUNDS [patent_app_type] => utility [patent_app_number] => 17/459598 [patent_app_country] => US [patent_app_date] => 2021-08-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16183 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -1 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17459598 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/459598
Therapeutic compounds Aug 26, 2021 Issued
Array ( [id] => 20919652 [patent_doc_number] => 12714694 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-08-25 [patent_title] => Thiohydantoin derivatives and uses thereof [patent_app_type] => utility [patent_app_number] => 18/043408 [patent_app_country] => US [patent_app_date] => 2021-08-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 20 [patent_no_of_words] => 6841 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 61 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18043408 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/043408
NOVEL THIOHYDANTOIN DERIVATIVES AND USES THEREOF Aug 26, 2021 Pending
Array ( [id] => 18753883 [patent_doc_number] => 20230357204 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-09 [patent_title] => TETRAHYDROQUINAZOLINE DERIVATIVES AS SELECTIVE CYTOTOXIC AGENTS [patent_app_type] => utility [patent_app_number] => 18/041864 [patent_app_country] => US [patent_app_date] => 2021-08-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 22734 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -25 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18041864 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/041864
Tetrahydroquinazoline derivatives as selective cytotoxic agents Aug 24, 2021 Issued
Array ( [id] => 17312768 [patent_doc_number] => 20210401816 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-12-30 [patent_title] => METHODS OF TREATING PANCREATIC CANCER [patent_app_type] => utility [patent_app_number] => 17/445640 [patent_app_country] => US [patent_app_date] => 2021-08-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16764 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 477 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17445640 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/445640
Methods of treating pancreatic cancer Aug 22, 2021 Issued
Array ( [id] => 20896448 [patent_doc_number] => 12703703 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-08-11 [patent_title] => FGFR and mutation inhibitor thereof, preparation method therefor and use thereof [patent_app_type] => utility [patent_app_number] => 18/014095 [patent_app_country] => US [patent_app_date] => 2021-08-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15950 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 848 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18014095 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/014095
FGFR AND MUTATION INHIBITOR THEREOF, PREPARATION METHOD THEREFOR AND USE THEREOF Aug 10, 2021 Pending
Array ( [id] => 18656123 [patent_doc_number] => 20230301999 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-28 [patent_title] => METHODS OF TREATING GOUT [patent_app_type] => utility [patent_app_number] => 18/020761 [patent_app_country] => US [patent_app_date] => 2021-08-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 53039 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -28 [patent_words_short_claim] => 16 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18020761 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/020761
METHODS OF TREATING GOUT Aug 9, 2021 Pending
Array ( [id] => 18526306 [patent_doc_number] => 11713290 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-08-01 [patent_title] => Cycloheptylamine derivatives as anti-diabetic agents [patent_app_type] => utility [patent_app_number] => 17/386279 [patent_app_country] => US [patent_app_date] => 2021-07-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 21 [patent_no_of_words] => 4474 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 43 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17386279 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/386279
Cycloheptylamine derivatives as anti-diabetic agents Jul 26, 2021 Issued
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