Search

Bret P. Chen

Examiner (ID: 13930, Phone: (571)272-1417 , Office: P/1715 )

Most Active Art Unit
1715
Art Unit(s)
1718, 1792, 1715, 1762, 1112, 1754
Total Applications
2280
Issued Applications
1776
Pending Applications
184
Abandoned Applications
348

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20824613 [patent_doc_number] => 12678153 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-07-14 [patent_title] => All-suture anchor [patent_app_type] => utility [patent_app_number] => 18/588144 [patent_app_country] => US [patent_app_date] => 2024-02-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 0 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 199 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18588144 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/588144
All-Suture Anchor Feb 26, 2024 Pending
Array ( [id] => 19231798 [patent_doc_number] => 20240188989 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-13 [patent_title] => EXPANDABLE SHEATH FOR IMPLANT DELIVERY [patent_app_type] => utility [patent_app_number] => 18/584948 [patent_app_country] => US [patent_app_date] => 2024-02-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16454 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 69 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18584948 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/584948
EXPANDABLE SHEATH FOR IMPLANT DELIVERY Feb 21, 2024 Pending
Array ( [id] => 19343062 [patent_doc_number] => 20240252025 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-01 [patent_title] => ARTICULATION MECHANISMS FOR ROBOTIC SURGICAL TOOLS [patent_app_type] => utility [patent_app_number] => 18/434456 [patent_app_country] => US [patent_app_date] => 2024-02-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 38327 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 108 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18434456 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/434456
ARTICULATION MECHANISMS FOR ROBOTIC SURGICAL TOOLS Feb 5, 2024 Pending
Array ( [id] => 20385297 [patent_doc_number] => 12485006 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-02 [patent_title] => Prosthetic suturing device and methods thereof [patent_app_type] => utility [patent_app_number] => 18/426123 [patent_app_country] => US [patent_app_date] => 2024-01-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 95 [patent_figures_cnt] => 138 [patent_no_of_words] => 11118 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 484 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18426123 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/426123
Prosthetic suturing device and methods thereof Jan 28, 2024 Issued
Array ( [id] => 19215916 [patent_doc_number] => 20240180620 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-06 [patent_title] => Surgical Instrument Including Housing, A Cutting Accessory That Extends From The Housing And Actuators That Establish The Position Of The Cutting Accessory Relative To The Housing [patent_app_type] => utility [patent_app_number] => 18/398712 [patent_app_country] => US [patent_app_date] => 2023-12-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 44697 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18398712 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/398712
Surgical Instrument Including Housing, A Cutting Accessory That Extends From The Housing And Actuators That Establish The Position Of The Cutting Accessory Relative To The Housing Dec 27, 2023 Pending
Array ( [id] => 19096158 [patent_doc_number] => 20240115385 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-11 [patent_title] => Cardiac Valve Downsizing Device and Method [patent_app_type] => utility [patent_app_number] => 18/390851 [patent_app_country] => US [patent_app_date] => 2023-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14918 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 54 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18390851 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/390851
Cardiac Valve Downsizing Device and Method Dec 19, 2023 Abandoned
Array ( [id] => 19246544 [patent_doc_number] => 20240197528 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-20 [patent_title] => INSTRUMENT FOR DELAMINATING RETINAL MEMBRANES [patent_app_type] => utility [patent_app_number] => 18/535263 [patent_app_country] => US [patent_app_date] => 2023-12-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2544 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 48 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18535263 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/535263
INSTRUMENT FOR DELAMINATING RETINAL MEMBRANES Dec 10, 2023 Pending
Array ( [id] => 20185736 [patent_doc_number] => 12396836 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-26 [patent_title] => Fenestrated sheath for embolic protection during transcarotid carotid artery revascularization [patent_app_type] => utility [patent_app_number] => 18/535698 [patent_app_country] => US [patent_app_date] => 2023-12-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 31 [patent_figures_cnt] => 42 [patent_no_of_words] => 20044 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 159 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18535698 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/535698
Fenestrated sheath for embolic protection during transcarotid carotid artery revascularization Dec 10, 2023 Issued
Array ( [id] => 20670809 [patent_doc_number] => 12611304 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-04-28 [patent_title] => Prosthetic incision device and methods thereof [patent_app_type] => utility [patent_app_number] => 18/530083 [patent_app_country] => US [patent_app_date] => 2023-12-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 103 [patent_figures_cnt] => 155 [patent_no_of_words] => 13133 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 396 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18530083 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/530083
Prosthetic incision device and methods thereof Dec 4, 2023 Issued
Array ( [id] => 19032045 [patent_doc_number] => 20240081860 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-14 [patent_title] => PUNCTURE DEVICES AND PUNCTURE SYSTEMS [patent_app_type] => utility [patent_app_number] => 18/518936 [patent_app_country] => US [patent_app_date] => 2023-11-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 19027 [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] => 18518936 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/518936
PUNCTURE DEVICES AND PUNCTURE SYSTEMS Nov 23, 2023 Pending
Array ( [id] => 19185855 [patent_doc_number] => 20240164768 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-23 [patent_title] => ROBOTIC SYSTEMS FOR USE THROUGH A NATURAL ORIFICE AND SUTURING WITHIN THE GASTROINTESTINAL TRACT [patent_app_type] => utility [patent_app_number] => 18/515150 [patent_app_country] => US [patent_app_date] => 2023-11-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10694 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18515150 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/515150
ROBOTIC SYSTEMS FOR USE THROUGH A NATURAL ORIFICE AND SUTURING WITHIN THE GASTROINTESTINAL TRACT Nov 19, 2023 Pending
Array ( [id] => 19155418 [patent_doc_number] => 20240148124 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-09 [patent_title] => NAIL TOOL FOR REMOVING TISSUE IN NAIL GROOVE [patent_app_type] => utility [patent_app_number] => 18/501339 [patent_app_country] => US [patent_app_date] => 2023-11-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3400 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 163 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18501339 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/501339
NAIL TOOL FOR REMOVING TISSUE IN NAIL GROOVE Nov 2, 2023 Abandoned
Array ( [id] => 20700002 [patent_doc_number] => 12622690 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-05-12 [patent_title] => Method and apparatus for passing suture through tissue [patent_app_type] => utility [patent_app_number] => 18/492757 [patent_app_country] => US [patent_app_date] => 2023-10-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 116 [patent_figures_cnt] => 139 [patent_no_of_words] => 14714 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 174 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18492757 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/492757
Method and apparatus for passing suture through tissue Oct 22, 2023 Issued
Array ( [id] => 18953275 [patent_doc_number] => 20240041602 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-08 [patent_title] => HEART VALVE SEALING DEVICES AND DELIVERY DEVICES THEREFOR [patent_app_type] => utility [patent_app_number] => 18/489666 [patent_app_country] => US [patent_app_date] => 2023-10-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 33806 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 189 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18489666 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/489666
HEART VALVE SEALING DEVICES AND DELIVERY DEVICES THEREFOR Oct 17, 2023 Pending
Array ( [id] => 20254551 [patent_doc_number] => 12426883 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-30 [patent_title] => Power assist device for a surgical instrument [patent_app_type] => utility [patent_app_number] => 18/487184 [patent_app_country] => US [patent_app_date] => 2023-10-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 12 [patent_no_of_words] => 0 [patent_no_of_claims] => 35 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 168 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18487184 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/487184
Power assist device for a surgical instrument Oct 15, 2023 Issued
Array ( [id] => 18937727 [patent_doc_number] => 20240032866 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-01 [patent_title] => SYSTEMS AND METHODS FOR FLUSHING AN ASSESSMENT CATHETER [patent_app_type] => utility [patent_app_number] => 18/485150 [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] => 6968 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 125 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18485150 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/485150
SYSTEMS AND METHODS FOR FLUSHING AN ASSESSMENT CATHETER Oct 10, 2023 Pending
Array ( [id] => 19140195 [patent_doc_number] => 20240138970 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-02 [patent_title] => EXPANDABLE MESH WITH LOCKING FEATURE [patent_app_type] => utility [patent_app_number] => 18/479456 [patent_app_country] => US [patent_app_date] => 2023-10-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5299 [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] => 18479456 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/479456
EXPANDABLE MESH WITH LOCKING FEATURE Oct 1, 2023 Pending
Array ( [id] => 20239330 [patent_doc_number] => 12419633 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-23 [patent_title] => Devices and methods for percutaneous tricuspid valve repair [patent_app_type] => utility [patent_app_number] => 18/468724 [patent_app_country] => US [patent_app_date] => 2023-09-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 45 [patent_no_of_words] => 6401 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18468724 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/468724
Devices and methods for percutaneous tricuspid valve repair Sep 16, 2023 Issued
Array ( [id] => 18877081 [patent_doc_number] => 20240000450 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-04 [patent_title] => METHODS AND APPARATUS FOR DELIVERING STAPLES TO A TARGET TISSUE [patent_app_type] => utility [patent_app_number] => 18/368276 [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] => 10259 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 145 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18368276 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/368276
METHODS AND APPARATUS FOR DELIVERING STAPLES TO A TARGET TISSUE Sep 13, 2023 Pending
Array ( [id] => 18860473 [patent_doc_number] => 20230414908 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-28 [patent_title] => EXPANDABLE MEDICAL DEVICES [patent_app_type] => utility [patent_app_number] => 18/367360 [patent_app_country] => US [patent_app_date] => 2023-09-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4725 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 181 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18367360 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/367360
EXPANDABLE MEDICAL DEVICES Sep 11, 2023 Pending
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