Search

Erich A. Leeser

Examiner (ID: 2817, Phone: (571)272-9932 , Office: P/1624 )

Most Active Art Unit
1624
Art Unit(s)
1622, 1624
Total Applications
1708
Issued Applications
1314
Pending Applications
94
Abandoned Applications
335

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 18168523 [patent_doc_number] => 20230035133 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-02 [patent_title] => [1,2,4]Triazolo[4,3-B]Pyridazines For Use in the Treatment of Proliferative Diseases [patent_app_type] => utility [patent_app_number] => 17/853737 [patent_app_country] => US [patent_app_date] => 2022-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17816 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [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] => 17853737 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/853737
[1,2,4]Triazolo[4,3-B]Pyridazines For Use in the Treatment of Proliferative Diseases Jun 28, 2022 Abandoned
Array ( [id] => 18861820 [patent_doc_number] => 20230416255 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-28 [patent_title] => MESYLATE SALTS OF TRIAZOLOPYRAZINE DERIVATIVES [patent_app_type] => utility [patent_app_number] => 17/849785 [patent_app_country] => US [patent_app_date] => 2022-06-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9985 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 14 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17849785 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/849785
Mesylate salts of triazolopyrazine derivatives Jun 26, 2022 Issued
Array ( [id] => 17982517 [patent_doc_number] => 20220348553 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-03 [patent_title] => 1-PYRIDAZIN-/TRIAZIN-3-YL-PIPER(-AZINE)/IDINE/PYROLIDINE DERIVATIVES AND COMPOSITIONS THEREOF FOR INHIBITING THE ACTIVITY OF SHP2 [patent_app_type] => utility [patent_app_number] => 17/808895 [patent_app_country] => US [patent_app_date] => 2022-06-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 20750 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 320 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17808895 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/808895
1-PYRIDAZIN-/TRIAZIN-3-YL-PIPER(-AZINE)/IDINE/PYROLIDINE DERIVATIVES AND COMPOSITIONS THEREOF FOR INHIBITING THE ACTIVITY OF SHP2 Jun 23, 2022 Abandoned
Array ( [id] => 17929756 [patent_doc_number] => 20220324881 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-10-13 [patent_title] => PROCESS FOR THE PREPARATION OF 7-(4,7-DIAZASPIRO[2.5]OCTAN-7-YL)-2-(2,8-DIMETHYLIMIDAZO[1,2-B]PYRIDAZIN-6-YL)PYRIDO[1,2-A]PYRIMIDIN-4-ONE DERIVATIVES [patent_app_type] => utility [patent_app_number] => 17/842612 [patent_app_country] => US [patent_app_date] => 2022-06-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9567 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -29 [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] => 17842612 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/842612
Process for the preparation of 7-(4,7-diazaspiro[2.5]octan-7-yl)-2-(2,8- dimethylimidazo[1,2-b]pyridazin-6-yl)pyrido[1,2-a]pyrimidin-4-one derivatives Jun 15, 2022 Issued
Array ( [id] => 20115013 [patent_doc_number] => 12364697 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-22 [patent_title] => G1T38 superior dosage regimes [patent_app_type] => utility [patent_app_number] => 17/839215 [patent_app_country] => US [patent_app_date] => 2022-06-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 41 [patent_figures_cnt] => 42 [patent_no_of_words] => 47511 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 77 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17839215 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/839215
G1T38 superior dosage regimes Jun 12, 2022 Issued
Array ( [id] => 20115013 [patent_doc_number] => 12364697 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-22 [patent_title] => G1T38 superior dosage regimes [patent_app_type] => utility [patent_app_number] => 17/839215 [patent_app_country] => US [patent_app_date] => 2022-06-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 41 [patent_figures_cnt] => 42 [patent_no_of_words] => 47511 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 77 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17839215 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/839215
G1T38 superior dosage regimes Jun 12, 2022 Issued
Array ( [id] => 18209116 [patent_doc_number] => 20230055376 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-23 [patent_title] => 5-HT2C RECEPTOR AGONISTS AND COMPOSITIONS AND METHODS OF USE [patent_app_type] => utility [patent_app_number] => 17/837622 [patent_app_country] => US [patent_app_date] => 2022-06-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 71386 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [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] => 17837622 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/837622
5-HT2C RECEPTOR AGONISTS AND COMPOSITIONS AND METHODS OF USE Jun 9, 2022 Abandoned
Array ( [id] => 19955293 [patent_doc_number] => 12325699 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-10 [patent_title] => Antibacterial compounds [patent_app_type] => utility [patent_app_number] => 17/836255 [patent_app_country] => US [patent_app_date] => 2022-06-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 21832 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 627 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17836255 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/836255
Antibacterial compounds Jun 8, 2022 Issued
Array ( [id] => 19955293 [patent_doc_number] => 12325699 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-10 [patent_title] => Antibacterial compounds [patent_app_type] => utility [patent_app_number] => 17/836255 [patent_app_country] => US [patent_app_date] => 2022-06-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 21832 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 627 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17836255 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/836255
Antibacterial compounds Jun 8, 2022 Issued
Array ( [id] => 20372411 [patent_doc_number] => 12479833 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-25 [patent_title] => Heteroarylaminopyrimidine amide autophagy inhibitors and methods of use thereof [patent_app_type] => utility [patent_app_number] => 17/832224 [patent_app_country] => US [patent_app_date] => 2022-06-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 39051 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 686 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17832224 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/832224
Heteroarylaminopyrimidine amide autophagy inhibitors and methods of use thereof Jun 2, 2022 Issued
Array ( [id] => 19809462 [patent_doc_number] => 12240833 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-03-04 [patent_title] => Pyridazinone compounds and uses thereof [patent_app_type] => utility [patent_app_number] => 17/827547 [patent_app_country] => US [patent_app_date] => 2022-05-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 35951 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 757 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17827547 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/827547
Pyridazinone compounds and uses thereof May 26, 2022 Issued
Array ( [id] => 18351210 [patent_doc_number] => 20230139321 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-04 [patent_title] => CHEMOKINE RECEPTOR MODULATORS AND USES THEREOF [patent_app_type] => utility [patent_app_number] => 17/750165 [patent_app_country] => US [patent_app_date] => 2022-05-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 88389 [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] => 17750165 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/750165
Chemokine receptor modulators and uses thereof May 19, 2022 Issued
Array ( [id] => 19263556 [patent_doc_number] => 20240207253 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-27 [patent_title] => Inhibitors of CDR1 for Reversal of Azole Drug Resistance in Fungal Infections [patent_app_type] => utility [patent_app_number] => 18/283035 [patent_app_country] => US [patent_app_date] => 2022-05-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14128 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -32 [patent_words_short_claim] => 30 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18283035 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/283035
Inhibitors of CDR1 for Reversal of Azole Drug Resistance in Fungal Infections May 17, 2022 Pending
Array ( [id] => 19940204 [patent_doc_number] => 12312326 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-27 [patent_title] => Substituted benzimidazole derivatives as D-amino acid oxidase (DAAO) inhibitors [patent_app_type] => utility [patent_app_number] => 17/736924 [patent_app_country] => US [patent_app_date] => 2022-05-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 15926 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 154 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17736924 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/736924
Substituted benzimidazole derivatives as D-amino acid oxidase (DAAO) inhibitors May 3, 2022 Issued
Array ( [id] => 17843715 [patent_doc_number] => 11433056 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-09-06 [patent_title] => Methods of treating gastrointestinal stromal tumors [patent_app_type] => utility [patent_app_number] => 17/735862 [patent_app_country] => US [patent_app_date] => 2022-05-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 37 [patent_figures_cnt] => 54 [patent_no_of_words] => 17168 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 65 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17735862 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/735862
Methods of treating gastrointestinal stromal tumors May 2, 2022 Issued
Array ( [id] => 17828316 [patent_doc_number] => 20220265620 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-25 [patent_title] => METHODS OF TREATING GASTROINTESTINAL STROMAL TUMORS [patent_app_type] => utility [patent_app_number] => 17/735678 [patent_app_country] => US [patent_app_date] => 2022-05-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17152 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -1 [patent_words_short_claim] => 62 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17735678 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/735678
Methods of treating gastrointestinal stromal tumors May 2, 2022 Issued
Array ( [id] => 17828317 [patent_doc_number] => 20220265621 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-25 [patent_title] => METHODS OF TREATING GASTROINTESTINAL STROMAL TUMORS [patent_app_type] => utility [patent_app_number] => 17/735682 [patent_app_country] => US [patent_app_date] => 2022-05-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17169 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [patent_words_short_claim] => 62 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17735682 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/735682
Methods of treating gastrointestinal stromal tumors May 2, 2022 Issued
Array ( [id] => 19649996 [patent_doc_number] => 12171756 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-12-24 [patent_title] => NLRP3 modulators [patent_app_type] => utility [patent_app_number] => 17/731279 [patent_app_country] => US [patent_app_date] => 2022-04-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 73336 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 11 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17731279 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/731279
NLRP3 modulators Apr 27, 2022 Issued
Array ( [id] => 18151971 [patent_doc_number] => 11564920 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-01-31 [patent_title] => 5-heteroaryl-1H-pyrazol-3-amine derivative [patent_app_type] => utility [patent_app_number] => 17/731163 [patent_app_country] => US [patent_app_date] => 2022-04-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 47742 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 15 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17731163 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/731163
5-heteroaryl-1H-pyrazol-3-amine derivative Apr 26, 2022 Issued
Array ( [id] => 20143882 [patent_doc_number] => 12378209 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-05 [patent_title] => Protease inhibitors [patent_app_type] => utility [patent_app_number] => 17/728943 [patent_app_country] => US [patent_app_date] => 2022-04-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 13469 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 6 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17728943 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/728943
Protease inhibitors Apr 24, 2022 Issued
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