Search

Nancy J. Leith

Examiner (ID: 17546, Phone: (313)446-4874 , Office: P/1636 )

Most Active Art Unit
1636
Art Unit(s)
1636, 1805, 1815, 1941, 1811
Total Applications
1477
Issued Applications
1013
Pending Applications
187
Abandoned Applications
292

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20735608 [patent_doc_number] => 20260144898 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-05-28 [patent_title] => GENE EDITING SYSTEMS AND USES THEREOF [patent_app_type] => utility [patent_app_number] => 19/376282 [patent_app_country] => US [patent_app_date] => 2025-10-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 30314 [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] => 19376282 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/376282
GENE EDITING SYSTEMS AND USES THEREOF Oct 30, 2025 Pending
Array ( [id] => 20486193 [patent_doc_number] => 20260022391 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-01-22 [patent_title] => EXPRESSION SYSTEM FOR PRODUCT MANUFACTURING [patent_app_type] => utility [patent_app_number] => 19/343343 [patent_app_country] => US [patent_app_date] => 2025-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16851 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 154 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19343343 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/343343
EXPRESSION SYSTEM FOR PRODUCT MANUFACTURING Sep 28, 2025 Pending
Array ( [id] => 20473401 [patent_doc_number] => 20260015620 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-01-15 [patent_title] => SYNTHETIC GENE CLUSTERS [patent_app_type] => utility [patent_app_number] => 19/327026 [patent_app_country] => US [patent_app_date] => 2025-09-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 19754 [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] => 19327026 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/327026
SYNTHETIC GENE CLUSTERS Sep 11, 2025 Pending
Array ( [id] => 20350075 [patent_doc_number] => 20250346927 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-11-13 [patent_title] => METHODS AND COMPOSITIONS FOR MODULATING A GENOME [patent_app_type] => utility [patent_app_number] => 19/272775 [patent_app_country] => US [patent_app_date] => 2025-07-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 162556 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19272775 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/272775
METHODS AND COMPOSITIONS FOR MODULATING A GENOME Jul 16, 2025 Pending
Array ( [id] => 20336787 [patent_doc_number] => 20250340907 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-11-06 [patent_title] => METHODS AND COMPOSITIONS FOR MODULATING A GENOME [patent_app_type] => utility [patent_app_number] => 19/272711 [patent_app_country] => US [patent_app_date] => 2025-07-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 148979 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19272711 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/272711
METHODS AND COMPOSITIONS FOR MODULATING A GENOME Jul 16, 2025 Pending
Array ( [id] => 20288621 [patent_doc_number] => 20250313864 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-09 [patent_title] => TYPE V CAS PROTEINS AND APPLICATIONS THEREOF [patent_app_type] => utility [patent_app_number] => 19/232045 [patent_app_country] => US [patent_app_date] => 2025-06-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 61726 [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] => 19232045 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/232045
Type V Cas proteins and applications thereof Jun 8, 2025 Issued
Array ( [id] => 20165320 [patent_doc_number] => 20250257366 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-14 [patent_title] => DNA ORIGAMI ENCODING FOR GENE EXPRESSION AND CONTRANSFECTION [patent_app_type] => utility [patent_app_number] => 19/193742 [patent_app_country] => US [patent_app_date] => 2025-04-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12339 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19193742 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/193742
DNA ORIGAMI ENCODING FOR GENE EXPRESSION AND CONTRANSFECTION Apr 28, 2025 Pending
Array ( [id] => 20288620 [patent_doc_number] => 20250313863 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-09 [patent_title] => ENGINEERED CIRCULARIZED pegRNAs AND USES THEREOF [patent_app_type] => utility [patent_app_number] => 19/174171 [patent_app_country] => US [patent_app_date] => 2025-04-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 79433 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 39 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19174171 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/174171
ENGINEERED CIRCULARIZED pegRNAs AND USES THEREOF Apr 8, 2025 Pending
Array ( [id] => 20818709 [patent_doc_number] => 12674171 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-07-07 [patent_title] => Aptamer and ribozyme equilibrium shifting (ARES) RNA circuits and uses thereof [patent_app_type] => utility [patent_app_number] => 19/092639 [patent_app_country] => US [patent_app_date] => 2025-03-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 52 [patent_figures_cnt] => 53 [patent_no_of_words] => 41582 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 53 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19092639 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/092639
Aptamer and ribozyme equilibrium shifting (ARES) RNA circuits and uses thereof Mar 26, 2025 Issued
Array ( [id] => 20827460 [patent_doc_number] => 12681020 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-07-14 [patent_title] => Compositions and methods for NK-92 cells expressing native CD16 [patent_app_type] => utility [patent_app_number] => 19/085903 [patent_app_country] => US [patent_app_date] => 2025-03-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 25 [patent_figures_cnt] => 25 [patent_no_of_words] => 2527 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19085903 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/085903
Compositions and methods for NK-92 cells expressing native CD16 Mar 19, 2025 Issued
Array ( [id] => 20100511 [patent_doc_number] => 20250230447 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-17 [patent_title] => EXPRESSION SYSTEM FOR PRODUCT MANUFACTURING [patent_app_type] => utility [patent_app_number] => 19/066066 [patent_app_country] => US [patent_app_date] => 2025-02-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15932 [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] => 19066066 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/066066
Expression system for product manufacturing Feb 26, 2025 Issued
Array ( [id] => 20050265 [patent_doc_number] => 20250188487 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-12 [patent_title] => NON-IMMUNOGENIC CIRCULAR, NON-VIRAL DNA VECTORS [patent_app_type] => utility [patent_app_number] => 19/064383 [patent_app_country] => US [patent_app_date] => 2025-02-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 27747 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -24 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19064383 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/064383
Non-immunogenic circular, non-viral DNA vectors Feb 25, 2025 Issued
Array ( [id] => 20803877 [patent_doc_number] => 12668774 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-06-30 [patent_title] => Product, system and method of cell cultivation [patent_app_type] => utility [patent_app_number] => 19/028930 [patent_app_country] => US [patent_app_date] => 2025-01-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 38 [patent_figures_cnt] => 38 [patent_no_of_words] => 125206 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19028930 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/028930
Product, system and method of cell cultivation Jan 16, 2025 Issued
Array ( [id] => 20025295 [patent_doc_number] => 20250163517 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-22 [patent_title] => METHODS FOR SEQUENCING SAMPLES [patent_app_type] => utility [patent_app_number] => 19/028916 [patent_app_country] => US [patent_app_date] => 2025-01-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17371 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [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] => 19028916 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/028916
Methods for sequencing samples Jan 16, 2025 Issued
Array ( [id] => 20491568 [patent_doc_number] => 12533424 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-01-27 [patent_title] => Supplementation of liver enzyme expression [patent_app_type] => utility [patent_app_number] => 18/959371 [patent_app_country] => US [patent_app_date] => 2024-11-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 29 [patent_figures_cnt] => 29 [patent_no_of_words] => 50574 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18959371 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/959371
Supplementation of liver enzyme expression Nov 24, 2024 Issued
Array ( [id] => 20708061 [patent_doc_number] => 20260132389 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-05-14 [patent_title] => MATERIALS AND METHODS FOR REDOSING SUBJECTS RECEIVING GENE INSERTION THERAPEUTICS [patent_app_type] => utility [patent_app_number] => 18/947288 [patent_app_country] => US [patent_app_date] => 2024-11-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8625 [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] => 18947288 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/947288
MATERIALS AND METHODS FOR REDOSING SUBJECTS RECEIVING GENE INSERTION THERAPEUTICS Nov 13, 2024 Pending
Array ( [id] => 19862674 [patent_doc_number] => 20250101460 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-27 [patent_title] => Controllable Transcription [patent_app_type] => utility [patent_app_number] => 18/941863 [patent_app_country] => US [patent_app_date] => 2024-11-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 24020 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [patent_words_short_claim] => 63 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18941863 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/941863
Controllable transcription Nov 7, 2024 Issued
Array ( [id] => 20694304 [patent_doc_number] => 20260125710 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-05-07 [patent_title] => EUKARYOTE QUADRUPLET EXPANDED DNA (QED) GENETIC CODE [patent_app_type] => utility [patent_app_number] => 18/935529 [patent_app_country] => US [patent_app_date] => 2024-11-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3305 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [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] => 18935529 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/935529
EUKARYOTE QUADRUPLET EXPANDED DNA (QED) GENETIC CODE Nov 1, 2024 Abandoned
Array ( [id] => 19862630 [patent_doc_number] => 20250101416 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-27 [patent_title] => COMPOSITIONS AND METHODS FOR TREATMENT OF TRANSTHYRETIN AMYLOIDOSIS [patent_app_type] => utility [patent_app_number] => 18/900481 [patent_app_country] => US [patent_app_date] => 2024-09-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 30140 [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] => 18900481 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/900481
COMPOSITIONS AND METHODS FOR TREATMENT OF TRANSTHYRETIN AMYLOIDOSIS Sep 26, 2024 Pending
Array ( [id] => 19615371 [patent_doc_number] => 20240401051 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-05 [patent_title] => TUNING CASCADE ASSAY KINETICS VIA MOLECULAR DESIGN [patent_app_type] => utility [patent_app_number] => 18/805534 [patent_app_country] => US [patent_app_date] => 2024-08-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 30782 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -27 [patent_words_short_claim] => 480 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18805534 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/805534
Tuning cascade assay kinetics via molecular design Aug 14, 2024 Issued
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