Search

Arthur S. Leonard

Examiner (ID: 12301, Phone: (571)270-3073 , Office: P/1633 )

Most Active Art Unit
1633
Art Unit(s)
1631, 1633
Total Applications
655
Issued Applications
267
Pending Applications
112
Abandoned Applications
289

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20178372 [patent_doc_number] => 20250262330 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-21 [patent_title] => GENE EDITING OF CAR-T CELLS FOR THE TREATMENT OF T CELL MALIGNANCIES WITH CHIMERIC ANTIGEN RECEPTORS [patent_app_type] => utility [patent_app_number] => 19/188828 [patent_app_country] => US [patent_app_date] => 2025-04-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9840 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -28 [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] => 19188828 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/188828
Gene editing of CAR-T cells for the treatment of T cell malignancies with chimeric antigen receptors Apr 23, 2025 Issued
Array ( [id] => 20193589 [patent_doc_number] => 20250270299 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-28 [patent_title] => METHODS OF USING COMPOSITIONS COMPRISING SBI DOMAINS [patent_app_type] => utility [patent_app_number] => 19/041656 [patent_app_country] => US [patent_app_date] => 2025-01-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 34352 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -26 [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] => 19041656 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/041656
METHODS OF USING COMPOSITIONS COMPRISING SBI DOMAINS Jan 29, 2025 Pending
Array ( [id] => 19889167 [patent_doc_number] => 20250114479 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-10 [patent_title] => TISSUE-SELECTIVE SINGLE-COMPONENT MRNA DELIVERY CARRIER AND DELIVERY SYSTEM [patent_app_type] => utility [patent_app_number] => 18/981653 [patent_app_country] => US [patent_app_date] => 2024-12-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3863 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 91 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18981653 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/981653
TISSUE-SELECTIVE SINGLE-COMPONENT MRNA DELIVERY CARRIER AND DELIVERY SYSTEM Dec 15, 2024 Abandoned
Array ( [id] => 20059667 [patent_doc_number] => 20250197889 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-19 [patent_title] => Targeted CRISPR Delivery Platforms [patent_app_type] => utility [patent_app_number] => 18/980456 [patent_app_country] => US [patent_app_date] => 2024-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 25248 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 21 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18980456 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/980456
Targeted CRISPR Delivery Platforms Dec 12, 2024 Pending
Array ( [id] => 19798827 [patent_doc_number] => 20250064752 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-27 [patent_title] => COMPOSITIONS FOR THE DELIVERY OF tRNA AS NANOPARTICLES AND METHODS OF USE THEREWITH [patent_app_type] => utility [patent_app_number] => 18/930467 [patent_app_country] => US [patent_app_date] => 2024-10-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 29185 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [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] => 18930467 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/930467
COMPOSITIONS FOR THE DELIVERY OF tRNA AS NANOPARTICLES AND METHODS OF USE THEREWITH Oct 28, 2024 Abandoned
Array ( [id] => 19876978 [patent_doc_number] => 20250109235 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-03 [patent_title] => POLYMER NANOPARTICLE COMPOSITIONS FOR NON-VIRAL GENE DELIVERY [patent_app_type] => utility [patent_app_number] => 18/902038 [patent_app_country] => US [patent_app_date] => 2024-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17264 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -28 [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] => 18902038 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/902038
POLYMER NANOPARTICLE COMPOSITIONS FOR NON-VIRAL GENE DELIVERY Sep 29, 2024 Pending
Array ( [id] => 19658767 [patent_doc_number] => 20240425832 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-26 [patent_title] => COMPOSITIONS AND METHODS OF GENOME EDITING [patent_app_type] => utility [patent_app_number] => 18/823429 [patent_app_country] => US [patent_app_date] => 2024-09-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 42121 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 18823429 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/823429
COMPOSITIONS AND METHODS OF GENOME EDITING Sep 2, 2024 Abandoned
Array ( [id] => 20714206 [patent_doc_number] => 12629430 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-05-19 [patent_title] => Gene editing of CAR-T cells for the treatment of T cell malignancies with chimeric antigen receptors [patent_app_type] => utility [patent_app_number] => 18/816096 [patent_app_country] => US [patent_app_date] => 2024-08-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 25 [patent_figures_cnt] => 40 [patent_no_of_words] => 9790 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18816096 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/816096
Gene editing of CAR-T cells for the treatment of T cell malignancies with chimeric antigen receptors Aug 26, 2024 Issued
Array ( [id] => 19570228 [patent_doc_number] => 20240374520 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-14 [patent_title] => PROTEOLIPID VESICLES FORMULATED WITH FUSION ASSOCIATED SMALL TRANSMEMBRANE PROTEINS [patent_app_type] => utility [patent_app_number] => 18/613605 [patent_app_country] => US [patent_app_date] => 2024-03-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 23211 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [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] => 18613605 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/613605
PROTEOLIPID VESICLES FORMULATED WITH FUSION ASSOCIATED SMALL TRANSMEMBRANE PROTEINS Mar 21, 2024 Pending
Array ( [id] => 19693194 [patent_doc_number] => 20250011739 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-09 [patent_title] => ENGINEERED CAS PROTEIN AND USE THEREOF [patent_app_type] => utility [patent_app_number] => 18/406232 [patent_app_country] => US [patent_app_date] => 2024-01-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 22645 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 18406232 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/406232
Engineered Cas protein and use thereof Jan 7, 2024 Issued
Array ( [id] => 19432875 [patent_doc_number] => 20240301373 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-12 [patent_title] => FANZORS ARE RNA-GUIDED NUCLEASES ENCODED IN EUKARYOTIC GENOMES [patent_app_type] => utility [patent_app_number] => 18/406066 [patent_app_country] => US [patent_app_date] => 2024-01-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 84656 [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] => 18406066 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/406066
FANZORS ARE RNA-GUIDED NUCLEASES ENCODED IN EUKARYOTIC GENOMES Jan 4, 2024 Abandoned
Array ( [id] => 19203160 [patent_doc_number] => 20240175059 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-30 [patent_title] => EFFECTOR PROTEINS AND METHODS OF USE [patent_app_type] => utility [patent_app_number] => 18/528523 [patent_app_country] => US [patent_app_date] => 2023-12-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 120968 [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] => 18528523 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/528523
EFFECTOR PROTEINS AND METHODS OF USE Dec 3, 2023 Pending
Array ( [id] => 20077765 [patent_doc_number] => 12351818 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-08 [patent_title] => Gene-modifying endonucleases [patent_app_type] => utility [patent_app_number] => 18/518831 [patent_app_country] => US [patent_app_date] => 2023-11-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 40 [patent_figures_cnt] => 42 [patent_no_of_words] => 72387 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 62 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18518831 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/518831
Gene-modifying endonucleases Nov 23, 2023 Issued
Array ( [id] => 19381231 [patent_doc_number] => 20240271101 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-15 [patent_title] => METHOD FOR PRODUCING AN IMMUNOCONJUGATE [patent_app_type] => utility [patent_app_number] => 18/517468 [patent_app_country] => US [patent_app_date] => 2023-11-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15444 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18517468 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/517468
METHOD FOR PRODUCING AN IMMUNOCONJUGATE Nov 21, 2023 Pending
Array ( [id] => 19034421 [patent_doc_number] => 20240084236 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-14 [patent_title] => Method and Apparatus for High Throughput High Efficiency Transfection of Cells [patent_app_type] => utility [patent_app_number] => 18/515493 [patent_app_country] => US [patent_app_date] => 2023-11-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11998 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 55 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18515493 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/515493
Method and Apparatus for High Throughput High Efficiency Transfection of Cells Nov 20, 2023 Pending
Array ( [id] => 19096274 [patent_doc_number] => 20240115501 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-11 [patent_title] => LIPID FORMULATIONS WITH RNA ENCODING IMMUNOGENS [patent_app_type] => utility [patent_app_number] => 18/508435 [patent_app_country] => US [patent_app_date] => 2023-11-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15971 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18508435 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/508435
LIPID FORMULATIONS WITH RNA ENCODING IMMUNOGENS Nov 13, 2023 Pending
Array ( [id] => 18938209 [patent_doc_number] => 20240033348 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-01 [patent_title] => METHODS AND COMPOSITIONS FOR ADAPTIVE IMMUNE MODULATION [patent_app_type] => utility [patent_app_number] => 18/484667 [patent_app_country] => US [patent_app_date] => 2023-10-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 20287 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18484667 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/484667
METHODS AND COMPOSITIONS FOR ADAPTIVE IMMUNE MODULATION Oct 10, 2023 Pending
Array ( [id] => 19127489 [patent_doc_number] => 20240132842 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-25 [patent_title] => GENETICALLY MODIFIED GENES AND CELLS, AND METHODS OF USING SAME FOR SILENCING VIRUS GENE EXPRESSION [patent_app_type] => utility [patent_app_number] => 18/373569 [patent_app_country] => US [patent_app_date] => 2023-09-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 21593 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18373569 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/373569
GENETICALLY MODIFIED GENES AND CELLS, AND METHODS OF USING SAME FOR SILENCING VIRUS GENE EXPRESSION Sep 26, 2023 Pending
Array ( [id] => 19127489 [patent_doc_number] => 20240132842 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-25 [patent_title] => GENETICALLY MODIFIED GENES AND CELLS, AND METHODS OF USING SAME FOR SILENCING VIRUS GENE EXPRESSION [patent_app_type] => utility [patent_app_number] => 18/373569 [patent_app_country] => US [patent_app_date] => 2023-09-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 21593 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18373569 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/373569
GENETICALLY MODIFIED GENES AND CELLS, AND METHODS OF USING SAME FOR SILENCING VIRUS GENE EXPRESSION Sep 25, 2023 Pending
Array ( [id] => 19095666 [patent_doc_number] => 20240114893 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-11 [patent_title] => CORNEAL STORAGE COMPOSITIONS [patent_app_type] => utility [patent_app_number] => 18/473394 [patent_app_country] => US [patent_app_date] => 2023-09-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3759 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 7 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18473394 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/473394
CORNEAL STORAGE COMPOSITIONS Sep 24, 2023 Pending
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