Search

Hsien C. Tsai

Examiner (ID: 2208, Phone: (571)272-7438 , Office: P/2881 )

Most Active Art Unit
2881
Art Unit(s)
2881
Total Applications
516
Issued Applications
440
Pending Applications
37
Abandoned Applications
52

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20335171 [patent_doc_number] => 20250339291 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-11-06 [patent_title] => IMPLANT EXTRACTOR [patent_app_type] => utility [patent_app_number] => 19/273259 [patent_app_country] => US [patent_app_date] => 2025-07-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1124 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19273259 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/273259
IMPLANT EXTRACTOR Jul 17, 2025 Pending
Array ( [id] => 20277274 [patent_doc_number] => 20250302516 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-02 [patent_title] => METHODS AND DEVICES FOR SYNDESMOSIS TENSIONING [patent_app_type] => utility [patent_app_number] => 19/238875 [patent_app_country] => US [patent_app_date] => 2025-06-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 993 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19238875 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/238875
METHODS AND DEVICES FOR SYNDESMOSIS TENSIONING Jun 15, 2025 Pending
19/137361 MEASUREMENT DEVICE AND DRILL GUIDE Jun 9, 2025 Pending
Array ( [id] => 20218277 [patent_doc_number] => 20250281208 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-11 [patent_title] => TIBIAL PLATEAU LEVELING OSTEOTOMY PLATE [patent_app_type] => utility [patent_app_number] => 19/213124 [patent_app_country] => US [patent_app_date] => 2025-05-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 324 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19213124 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/213124
TIBIAL PLATEAU LEVELING OSTEOTOMY PLATE May 19, 2025 Pending
Array ( [id] => 20191926 [patent_doc_number] => 20250268636 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-28 [patent_title] => ORTHOPEDIC SCREW FORMED OF IMPROVED METAL ALLOY [patent_app_type] => utility [patent_app_number] => 19/200178 [patent_app_country] => US [patent_app_date] => 2025-05-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17368 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 192 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19200178 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/200178
ORTHOPEDIC SCREW FORMED OF IMPROVED METAL ALLOY May 5, 2025 Pending
Array ( [id] => 20793580 [patent_doc_number] => 20260174474 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-06-25 [patent_title] => Bone Harvesting Devices for Bone Implantation [patent_app_type] => utility [patent_app_number] => 19/126753 [patent_app_country] => US [patent_app_date] => 2023-11-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9214 [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] => 19126753 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/126753
Bone Harvesting Devices for Bone Implantation May 1, 2025 Pending
Array ( [id] => 20793552 [patent_doc_number] => 20260174446 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-06-25 [patent_title] => DEVICE FOR OPERATING ON A PEDICLE WITHIN A PATIENT [patent_app_type] => utility [patent_app_number] => 19/126803 [patent_app_country] => US [patent_app_date] => 2023-10-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 166 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19126803 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/126803
DEVICE FOR OPERATING ON A PEDICLE WITHIN A PATIENT May 1, 2025 Pending
Array ( [id] => 20148879 [patent_doc_number] => 20250248717 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-07 [patent_title] => EXPANDABLE REAMER [patent_app_type] => utility [patent_app_number] => 19/190889 [patent_app_country] => US [patent_app_date] => 2025-04-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19190889 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/190889
EXPANDABLE REAMER Apr 27, 2025 Pending
Array ( [id] => 20120217 [patent_doc_number] => 20250235248 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-24 [patent_title] => Curable Material Dispensing System And Methods Of Operating And Packaging The Same [patent_app_type] => utility [patent_app_number] => 19/175161 [patent_app_country] => US [patent_app_date] => 2025-04-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9382 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 127 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19175161 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/175161
Curable Material Dispensing System And Methods Of Operating And Packaging The Same Apr 9, 2025 Pending
Array ( [id] => 20231112 [patent_doc_number] => 20250288431 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-18 [patent_title] => INSTRUMENTATION FOR TOTAL SPINAL JOINT REPLACEMENT [patent_app_type] => utility [patent_app_number] => 19/076602 [patent_app_country] => US [patent_app_date] => 2025-03-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 22291 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 180 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19076602 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/076602
INSTRUMENTATION FOR TOTAL SPINAL JOINT REPLACEMENT Mar 10, 2025 Pending
Array ( [id] => 20218278 [patent_doc_number] => 20250281209 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-11 [patent_title] => STERNAL CLOSURE SYSTEMS [patent_app_type] => utility [patent_app_number] => 19/074633 [patent_app_country] => US [patent_app_date] => 2025-03-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5681 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19074633 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/074633
STERNAL CLOSURE SYSTEMS Mar 9, 2025 Pending
Array ( [id] => 20277246 [patent_doc_number] => 20250302488 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-02 [patent_title] => KINEMATICALLY ALIGNED ORTHOPAEDIC SURGICAL INSTRUMENT AND METHOD OF USING THE SAME IN AN ORTHOPAEDIC KNEE PROCEDURE [patent_app_type] => utility [patent_app_number] => 19/070936 [patent_app_country] => US [patent_app_date] => 2025-03-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19070936 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/070936
KINEMATICALLY ALIGNED ORTHOPAEDIC SURGICAL INSTRUMENT AND METHOD OF USING THE SAME IN AN ORTHOPAEDIC KNEE PROCEDURE Mar 4, 2025 Pending
Array ( [id] => 20277247 [patent_doc_number] => 20250302489 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-02 [patent_title] => DEVICES AND METHODS FOR UNICONDYLAR TIBIAL IMPLANTS [patent_app_type] => utility [patent_app_number] => 19/068405 [patent_app_country] => US [patent_app_date] => 2025-03-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5564 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 65 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19068405 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/068405
DEVICES AND METHODS FOR UNICONDYLAR TIBIAL IMPLANTS Mar 2, 2025 Pending
Array ( [id] => 20206074 [patent_doc_number] => 20250275794 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-04 [patent_title] => FRACTURE PLATING SYSTEMS AND METHODS [patent_app_type] => utility [patent_app_number] => 19/067949 [patent_app_country] => US [patent_app_date] => 2025-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 27036 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 19067949 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/067949
FRACTURE PLATING SYSTEMS AND METHODS Mar 1, 2025 Pending
Array ( [id] => 20218273 [patent_doc_number] => 20250281204 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-11 [patent_title] => STABILIZING AND FUSING JOINTS [patent_app_type] => utility [patent_app_number] => 19/054386 [patent_app_country] => US [patent_app_date] => 2025-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [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] => 19054386 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/054386
STABILIZING AND FUSING JOINTS Feb 13, 2025 Pending
Array ( [id] => 20163607 [patent_doc_number] => 20250255653 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-14 [patent_title] => SURGICAL GUIDE WIRE ENGAGEMENT DEVICE [patent_app_type] => utility [patent_app_number] => 19/040753 [patent_app_country] => US [patent_app_date] => 2025-01-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5670 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19040753 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/040753
SURGICAL GUIDE WIRE ENGAGEMENT DEVICE Jan 28, 2025 Pending
Array ( [id] => 19875575 [patent_doc_number] => 20250107832 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-03 [patent_title] => BONE ANCHORS [patent_app_type] => utility [patent_app_number] => 18/980689 [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] => 4510 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 425 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18980689 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/980689
BONE ANCHORS Dec 12, 2024 Pending
Array ( [id] => 20038942 [patent_doc_number] => 20250177164 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-05 [patent_title] => INTERVERTEBRAL IMPLANTS AND RELATED METHODS OF USE [patent_app_type] => utility [patent_app_number] => 18/974972 [patent_app_country] => US [patent_app_date] => 2024-12-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4570 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 50 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18974972 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/974972
INTERVERTEBRAL IMPLANTS AND RELATED METHODS OF USE Dec 9, 2024 Pending
Array ( [id] => 20206078 [patent_doc_number] => 20250275798 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-04 [patent_title] => Femoral Neck Fracture Fixation Device [patent_app_type] => utility [patent_app_number] => 18/969046 [patent_app_country] => US [patent_app_date] => 2024-12-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3513 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -27 [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] => 18969046 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/969046
Femoral Neck Fracture Fixation Device Dec 3, 2024 Pending
Array ( [id] => 20031585 [patent_doc_number] => 20250169807 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-29 [patent_title] => ACTUATED POSITIONING DEVICE FOR ARTHROPLASTY AND METHODS OF USE [patent_app_type] => utility [patent_app_number] => 18/961066 [patent_app_country] => US [patent_app_date] => 2024-11-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7084 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18961066 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/961066
ACTUATED POSITIONING DEVICE FOR ARTHROPLASTY AND METHODS OF USE Nov 25, 2024 Pending
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