Search

Marsha M. Tsay

Examiner (ID: 332, Phone: (571)272-2938 , Office: P/1656 )

Most Active Art Unit
1656
Art Unit(s)
1656, 1653
Total Applications
1124
Issued Applications
471
Pending Applications
130
Abandoned Applications
543

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20321351 [patent_doc_number] => 20250333439 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-30 [patent_title] => PURIFIED PROTEIN COMPOSITIONS AND METHODS OF PRODUCTION [patent_app_type] => utility [patent_app_number] => 19/264681 [patent_app_country] => US [patent_app_date] => 2025-07-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 55674 [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] => 19264681 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/264681
PURIFIED PROTEIN COMPOSITIONS AND METHODS OF PRODUCTION Jul 8, 2025 Pending
Array ( [id] => 20492859 [patent_doc_number] => 12534722 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-01-27 [patent_title] => Euglobulin-based method for determining the biological activity of defibrotide [patent_app_type] => utility [patent_app_number] => 19/173652 [patent_app_country] => US [patent_app_date] => 2025-04-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 1329 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19173652 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/173652
Euglobulin-based method for determining the biological activity of defibrotide Apr 7, 2025 Issued
Array ( [id] => 20480581 [patent_doc_number] => 12529052 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-01-20 [patent_title] => Euglobulin-based method for determining the biological activity of defibrotide [patent_app_type] => utility [patent_app_number] => 19/173657 [patent_app_country] => US [patent_app_date] => 2025-04-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 1354 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19173657 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/173657
Euglobulin-based method for determining the biological activity of defibrotide Apr 7, 2025 Issued
Array ( [id] => 19512086 [patent_doc_number] => 20240343772 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-17 [patent_title] => Fusion protein and its preparation method for intermediate polypeptide of Semaglutide [patent_app_type] => utility [patent_app_number] => 18/755691 [patent_app_country] => US [patent_app_date] => 2024-06-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5432 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [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] => 18755691 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/755691
Fusion protein and its preparation method for intermediate polypeptide of Semaglutide Jun 26, 2024 Issued
Array ( [id] => 19601449 [patent_doc_number] => 20240392329 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-28 [patent_title] => MICROORGANISMS AND METHODS FOR THE PRODUCTION OF OXYGENATED COMPOUNDS FROM HEXOSES [patent_app_type] => utility [patent_app_number] => 18/737619 [patent_app_country] => US [patent_app_date] => 2024-06-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 111984 [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] => 18737619 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/737619
MICROORGANISMS AND METHODS FOR THE PRODUCTION OF OXYGENATED COMPOUNDS FROM HEXOSES Jun 6, 2024 Abandoned
Array ( [id] => 20330818 [patent_doc_number] => 12461089 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-04 [patent_title] => Olfactory receptor involved in the perception of musk fragrance and the use thereof [patent_app_type] => utility [patent_app_number] => 18/406031 [patent_app_country] => US [patent_app_date] => 2024-05-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 21 [patent_no_of_words] => 17645 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 54 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18406031 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/406031
Olfactory receptor involved in the perception of musk fragrance and the use thereof May 29, 2024 Issued
Array ( [id] => 19862606 [patent_doc_number] => 20250101392 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-27 [patent_title] => Enzyme Variants With Improved Ester Synthase Properties [patent_app_type] => utility [patent_app_number] => 18/662446 [patent_app_country] => US [patent_app_date] => 2024-05-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 39913 [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] => 18662446 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/662446
Enzyme variants with improved ester synthase properties May 12, 2024 Issued
Array ( [id] => 19543456 [patent_doc_number] => 20240360492 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-31 [patent_title] => COAGULATION AND FIBRINOLYSIS ASSAYS [patent_app_type] => utility [patent_app_number] => 18/657130 [patent_app_country] => US [patent_app_date] => 2024-05-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14351 [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] => 18657130 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/657130
COAGULATION AND FIBRINOLYSIS ASSAYS May 6, 2024 Pending
Array ( [id] => 19745975 [patent_doc_number] => 20250034540 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-30 [patent_title] => BOTULINUM NEUROTOXIN BIOHYBRID [patent_app_type] => utility [patent_app_number] => 18/615341 [patent_app_country] => US [patent_app_date] => 2024-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15462 [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] => 18615341 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/615341
BOTULINUM NEUROTOXIN BIOHYBRID Mar 24, 2024 Pending
Array ( [id] => 19432520 [patent_doc_number] => 20240301018 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-12 [patent_title] => PD-1 HOMING ENDONUCLEASE VARIANTS, COMPOSITIONS, AND METHODS OF USE [patent_app_type] => utility [patent_app_number] => 18/584363 [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] => 57595 [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] => 18584363 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/584363
PD-1 homing endonuclease variants, compositions, and methods of use Feb 21, 2024 Issued
Array ( [id] => 19658830 [patent_doc_number] => 20240425895 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-26 [patent_title] => Cell-Free Protein Synthesis [patent_app_type] => utility [patent_app_number] => 18/441456 [patent_app_country] => US [patent_app_date] => 2024-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 31564 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -24 [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] => 18441456 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/441456
Cell-Free Protein Synthesis Feb 13, 2024 Pending
Array ( [id] => 19034269 [patent_doc_number] => 20240084084 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-14 [patent_title] => PROMOTER FOR YEAST [patent_app_type] => utility [patent_app_number] => 18/512485 [patent_app_country] => US [patent_app_date] => 2023-11-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7736 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18512485 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/512485
Promoter for yeast Nov 16, 2023 Issued
Array ( [id] => 19855552 [patent_doc_number] => 12258375 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-03-25 [patent_title] => Mutant lysenin pores [patent_app_type] => utility [patent_app_number] => 18/504590 [patent_app_country] => US [patent_app_date] => 2023-11-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 28377 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18504590 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/504590
Mutant lysenin pores Nov 7, 2023 Issued
Array ( [id] => 19281553 [patent_doc_number] => 20240218027 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-04 [patent_title] => NUCLEOSIDE TRIPHOSPHATE TRANSPORTER AND USES THEREOF [patent_app_type] => utility [patent_app_number] => 18/503341 [patent_app_country] => US [patent_app_date] => 2023-11-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 32194 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -26 [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] => 18503341 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/503341
NUCLEOSIDE TRIPHOSPHATE TRANSPORTER AND USES THEREOF Nov 6, 2023 Abandoned
Array ( [id] => 19431067 [patent_doc_number] => 20240299565 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-12 [patent_title] => TOXIN-DERIVED DELIVERY CONSTRUCTS [patent_app_type] => utility [patent_app_number] => 18/502473 [patent_app_country] => US [patent_app_date] => 2023-11-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 73424 [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] => 18502473 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/502473
TOXIN-DERIVED DELIVERY CONSTRUCTS Nov 5, 2023 Abandoned
Array ( [id] => 18971927 [patent_doc_number] => 20240052019 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-15 [patent_title] => SINGLE ALPHA CHAIN COLLAGENS [patent_app_type] => utility [patent_app_number] => 18/384018 [patent_app_country] => US [patent_app_date] => 2023-10-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13233 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 165 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18384018 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/384018
SINGLE ALPHA CHAIN COLLAGENS Oct 25, 2023 Pending
Array ( [id] => 18955523 [patent_doc_number] => 20240043850 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-08 [patent_title] => COMPOSITIONS AND METHODS FOR TYPE III POLYKETIDE PRODUCTION IN OLEAGINOUS YEAST SPECIES [patent_app_type] => utility [patent_app_number] => 18/486403 [patent_app_country] => US [patent_app_date] => 2023-10-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17164 [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] => 18486403 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/486403
COMPOSITIONS AND METHODS FOR TYPE III POLYKETIDE PRODUCTION IN OLEAGINOUS YEAST SPECIES Oct 12, 2023 Abandoned
Array ( [id] => 20264375 [patent_doc_number] => 12435353 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-10-07 [patent_title] => Biomarker assay for use in monitoring autism [patent_app_type] => utility [patent_app_number] => 18/470985 [patent_app_country] => US [patent_app_date] => 2023-09-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 73 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18470985 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/470985
Biomarker assay for use in monitoring autism Sep 19, 2023 Issued
Array ( [id] => 20068887 [patent_doc_number] => 20250207109 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-26 [patent_title] => ENGINEERED SPLIT DHFR-BASED METHODS AND SYSTEMS FOR SELECTING CELLS THAT HAVE STABLY ACQUIRED A HETEROLOGOUS POLYNUCLEOTIDE [patent_app_type] => utility [patent_app_number] => 18/709446 [patent_app_country] => US [patent_app_date] => 2023-09-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11503 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -54 [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] => 18709446 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/709446
ENGINEERED SPLIT DHFR-BASED METHODS AND SYSTEMS FOR SELECTING CELLS THAT HAVE STABLY ACQUIRED A HETEROLOGOUS POLYNUCLEOTIDE Sep 19, 2023 Pending
Array ( [id] => 19067199 [patent_doc_number] => 20240101625 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-28 [patent_title] => EPHA2 T-CELL EPITOPE AGONISTS AND USES THEREFORE [patent_app_type] => utility [patent_app_number] => 18/461658 [patent_app_country] => US [patent_app_date] => 2023-09-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16150 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [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] => 18461658 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/461658
EPHA2 T-CELL EPITOPE AGONISTS AND USES THEREFORE Sep 5, 2023 Abandoned
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