Search

William C. Choi

Examiner (ID: 268, Phone: (571)272-2324 , Office: P/2872 )

Most Active Art Unit
2872
Art Unit(s)
2873, 2872
Total Applications
2443
Issued Applications
2231
Pending Applications
115
Abandoned Applications
130

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20527305 [patent_doc_number] => 12545729 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-02-10 [patent_title] => Anti-TREM2 agonist antibodies and antigen-binding fragments thereof that can increase levels of soluble TREM2 in serum and brain tissue [patent_app_type] => utility [patent_app_number] => 19/252441 [patent_app_country] => US [patent_app_date] => 2025-06-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 51 [patent_no_of_words] => 14560 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 156 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19252441 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/252441
Anti-TREM2 agonist antibodies and antigen-binding fragments thereof that can increase levels of soluble TREM2 in serum and brain tissue Jun 26, 2025 Issued
Array ( [id] => 20093436 [patent_doc_number] => 20250223372 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-10 [patent_title] => BISPECIFIC ANTI-HUMAN A-BETA/HUMAN TRANSFERRIN RECEPTOR ANTIBODIES AND METHODS OF USE [patent_app_type] => utility [patent_app_number] => 19/093136 [patent_app_country] => US [patent_app_date] => 2025-03-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18446 [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] => 19093136 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/093136
Bispecific anti-human A-beta/anti-human transferrin receptor antibodies Mar 26, 2025 Issued
Array ( [id] => 20134919 [patent_doc_number] => 20250241963 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-31 [patent_title] => PRODUCTION OF ENHANCED STEM CELL-BASED EXOSOMES AND USES IN SCAR TISSUE PREVENTION AND TREATMENT [patent_app_type] => utility [patent_app_number] => 19/065557 [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] => 9717 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 18 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19065557 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/065557
PRODUCTION OF ENHANCED STEM CELL-BASED EXOSOMES AND USES IN SCAR TISSUE PREVENTION AND TREATMENT Feb 26, 2025 Pending
Array ( [id] => 19848000 [patent_doc_number] => 20250093351 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-20 [patent_title] => MATERIALS AND METHODS FOR EVALUATING AND TREATING NEUROMYELITIS OPTICA (NMO) [patent_app_type] => utility [patent_app_number] => 18/966342 [patent_app_country] => US [patent_app_date] => 2024-12-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9035 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 13 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18966342 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/966342
MATERIALS AND METHODS FOR EVALUATING AND TREATING NEUROMYELITIS OPTICA (NMO) Dec 2, 2024 Abandoned
Array ( [id] => 19656995 [patent_doc_number] => 20240424060 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-26 [patent_title] => NGF ISOFORM FOR USE IN THE TREATMENT OF OCULAR PATHOLOGIES [patent_app_type] => utility [patent_app_number] => 18/763519 [patent_app_country] => US [patent_app_date] => 2024-07-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8968 [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] => 18763519 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/763519
NGF ISOFORM FOR USE IN THE TREATMENT OF OCULAR PATHOLOGIES Jul 2, 2024 Pending
Array ( [id] => 20016266 [patent_doc_number] => 20250154488 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-15 [patent_title] => PH20 POLYPEPTIDE VARIANTS, FORMULATIONS AND USES THEREOF [patent_app_type] => utility [patent_app_number] => 18/759577 [patent_app_country] => US [patent_app_date] => 2024-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 138970 [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] => 18759577 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/759577
PH20 POLYPEPTIDE VARIANTS, FORMULATIONS AND USES THEREOF Jun 27, 2024 Abandoned
Array ( [id] => 19403654 [patent_doc_number] => 20240287165 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-29 [patent_title] => APOE ANTIBODIES, FUSION PROTEINS AND USES THEREOF [patent_app_type] => utility [patent_app_number] => 18/611325 [patent_app_country] => US [patent_app_date] => 2024-03-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 33025 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -28 [patent_words_short_claim] => 104 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18611325 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/611325
APOE ANTIBODIES, FUSION PROTEINS AND USES THEREOF Mar 19, 2024 Pending
Array ( [id] => 19432546 [patent_doc_number] => 20240301044 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-12 [patent_title] => APOE ANTIBODIES, FUSION PROTEINS AND USES THEREOF [patent_app_type] => utility [patent_app_number] => 18/611374 [patent_app_country] => US [patent_app_date] => 2024-03-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 33089 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -27 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18611374 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/611374
APOE ANTIBODIES, FUSION PROTEINS AND USES THEREOF Mar 19, 2024 Pending
Array ( [id] => 19297611 [patent_doc_number] => 20240226177 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-11 [patent_title] => RETINAL PIGMENT EPITHELIAL CELL TRANSPLANTATION FOR THE TREATMENT OF CORNEAL ENDOTHELIAL DYSFUNCTION [patent_app_type] => utility [patent_app_number] => 18/592478 [patent_app_country] => US [patent_app_date] => 2024-02-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6461 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 37 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18592478 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/592478
RETINAL PIGMENT EPITHELIAL CELL TRANSPLANTATION FOR THE TREATMENT OF CORNEAL ENDOTHELIAL DYSFUNCTION Feb 28, 2024 Abandoned
Array ( [id] => 19332608 [patent_doc_number] => 20240247038 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-25 [patent_title] => ISOLATED PROTEIN COMPLEXES AND COMPOSITIONS AND METHODS OF USE THEREOF [patent_app_type] => utility [patent_app_number] => 18/431592 [patent_app_country] => US [patent_app_date] => 2024-02-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 21691 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [patent_words_short_claim] => 36 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18431592 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/431592
ISOLATED PROTEIN COMPLEXES AND COMPOSITIONS AND METHODS OF USE THEREOF Feb 1, 2024 Pending
Array ( [id] => 19418494 [patent_doc_number] => 20240294617 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-05 [patent_title] => SERUM ALBUMIN BINDERS [patent_app_type] => utility [patent_app_number] => 18/404145 [patent_app_country] => US [patent_app_date] => 2024-01-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13645 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 178 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18404145 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/404145
SERUM ALBUMIN BINDERS Jan 3, 2024 Pending
Array ( [id] => 19157741 [patent_doc_number] => 20240150448 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-09 [patent_title] => PAC1 ANTIBODIES AND USES THEREOF [patent_app_type] => utility [patent_app_number] => 18/545688 [patent_app_country] => US [patent_app_date] => 2023-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 62216 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -42 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18545688 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/545688
PAC1 ANTIBODIES AND USES THEREOF Dec 18, 2023 Pending
Array ( [id] => 19050879 [patent_doc_number] => 20240092848 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-21 [patent_title] => WNT SIGNALING AGONIST MOLECULES [patent_app_type] => utility [patent_app_number] => 18/482736 [patent_app_country] => US [patent_app_date] => 2023-10-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 50540 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 1438 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18482736 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/482736
WNT SIGNALING AGONIST MOLECULES Oct 5, 2023 Pending
Array ( [id] => 19096424 [patent_doc_number] => 20240115651 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-11 [patent_title] => PEPTIDES FOR TREATING DISEASE AND REDUCING SYMPTOMS RELATED TO MULTIPLE SCLEROSIS [patent_app_type] => utility [patent_app_number] => 18/368431 [patent_app_country] => US [patent_app_date] => 2023-09-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17031 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [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] => 18368431 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/368431
Methods for reducing symptoms of multiple sclerosis using a six-amino acid long peptide that inhibits CD40-CD154 interaction Sep 13, 2023 Issued
Array ( [id] => 19815065 [patent_doc_number] => 20250073272 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-06 [patent_title] => PRODUCTION OF ENHANCED STEM CELL-BASED EXOSOMES AND USES IN SCAR TISSUE PREVENTION AND TREATMENT [patent_app_type] => utility [patent_app_number] => 18/240681 [patent_app_country] => US [patent_app_date] => 2023-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13965 [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] => 18240681 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/240681
PRODUCTION OF ENHANCED STEM CELL-BASED EXOSOMES AND USES IN SCAR TISSUE PREVENTION AND TREATMENT Aug 30, 2023 Pending
Array ( [id] => 18901374 [patent_doc_number] => 20240016859 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-18 [patent_title] => MICROENCAPSULATED AND CHROMOSOME INTEGRATED COMPOSITIONS FOR L-DOPA MICROBIOME THERAPY [patent_app_type] => utility [patent_app_number] => 18/455205 [patent_app_country] => US [patent_app_date] => 2023-08-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13143 [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] => 18455205 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/455205
MICROENCAPSULATED AND CHROMOSOME INTEGRATED COMPOSITIONS FOR L-DOPA MICROBIOME THERAPY Aug 23, 2023 Pending
Array ( [id] => 20100271 [patent_doc_number] => 20250230207 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-17 [patent_title] => COMPOSITION [patent_app_type] => utility [patent_app_number] => 18/447177 [patent_app_country] => US [patent_app_date] => 2023-08-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5916 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 22 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18447177 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/447177
COMPOSITION Aug 8, 2023 Pending
Array ( [id] => 19345251 [patent_doc_number] => 20240254214 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-01 [patent_title] => TREATMENT OF OCULAR DISEASES WITH FULLY-HUMAN POST-TRANSLATIONALLY MODIFIED ANTI-VEGF Fab [patent_app_type] => utility [patent_app_number] => 18/360073 [patent_app_country] => US [patent_app_date] => 2023-07-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 68922 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -23 [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] => 18360073 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/360073
TREATMENT OF OCULAR DISEASES WITH FULLY-HUMAN POST-TRANSLATIONALLY MODIFIED ANTI-VEGF Fab Jul 26, 2023 Abandoned
Array ( [id] => 18901367 [patent_doc_number] => 20240016852 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-18 [patent_title] => Application of Retinal Pigment Epithelial Cells as Corneal Endothelial Substitute [patent_app_type] => utility [patent_app_number] => 18/352690 [patent_app_country] => US [patent_app_date] => 2023-07-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5309 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 9 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18352690 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/352690
Application of Retinal Pigment Epithelial Cells as Corneal Endothelial Substitute Jul 13, 2023 Abandoned
Array ( [id] => 18831083 [patent_doc_number] => 20230399608 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-14 [patent_title] => PROCESS FOR ESTABLISHING A HUMAN TESTICULAR TISSUE CULTURE SYSTEM [patent_app_type] => utility [patent_app_number] => 18/346691 [patent_app_country] => US [patent_app_date] => 2023-07-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 29002 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 323 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18346691 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/346691
PROCESS FOR ESTABLISHING A HUMAN TESTICULAR TISSUE CULTURE SYSTEM Jul 2, 2023 Pending
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