Search

Changhwa J. Cheu

Examiner (ID: 19221, Phone: (571)272-0814 , Office: P/1678 )

Most Active Art Unit
1678
Art Unit(s)
1641, 1678, 1677
Total Applications
1736
Issued Applications
1112
Pending Applications
174
Abandoned Applications
494

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 17127670 [patent_doc_number] => 20210302439 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-30 [patent_title] => COMPOSITIONS AND METHODS FOR TREATMENT OF LUNG FUNCTION [patent_app_type] => utility [patent_app_number] => 17/333058 [patent_app_country] => US [patent_app_date] => 2021-05-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 21626 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -29 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17333058 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/333058
Compositions and methods for treatment of lung function May 27, 2021 Issued
Array ( [id] => 19625135 [patent_doc_number] => 12163957 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-12-10 [patent_title] => Methods for detecting his-tagged proteins using NTA probes and polyacrylamide gel electrophoresis [patent_app_type] => utility [patent_app_number] => 17/332254 [patent_app_country] => US [patent_app_date] => 2021-05-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 19 [patent_no_of_words] => 9977 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17332254 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/332254
Methods for detecting his-tagged proteins using NTA probes and polyacrylamide gel electrophoresis May 26, 2021 Issued
Array ( [id] => 20188076 [patent_doc_number] => 12399186 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-26 [patent_title] => Method for diagnosing or monitoring kidney function or diagnosing kidney dysfunction [patent_app_type] => utility [patent_app_number] => 17/328100 [patent_app_country] => US [patent_app_date] => 2021-05-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 22 [patent_no_of_words] => 7216 [patent_no_of_claims] => 57 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 140 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17328100 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/328100
Method for diagnosing or monitoring kidney function or diagnosing kidney dysfunction May 23, 2021 Issued
Array ( [id] => 20357366 [patent_doc_number] => 12473349 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-18 [patent_title] => PD-1 variants having increased PD-L1 affinity [patent_app_type] => utility [patent_app_number] => 17/923472 [patent_app_country] => US [patent_app_date] => 2021-05-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 17 [patent_no_of_words] => 6178 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 41 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17923472 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/923472
PD-1 variants having increased PD-L1 affinity May 5, 2021 Issued
Array ( [id] => 20242117 [patent_doc_number] => 12422429 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-23 [patent_title] => Methods for reducing noise in signal-generating digital assays [patent_app_type] => utility [patent_app_number] => 17/313978 [patent_app_country] => US [patent_app_date] => 2021-05-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 21 [patent_no_of_words] => 23676 [patent_no_of_claims] => 31 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 387 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17313978 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/313978
Methods for reducing noise in signal-generating digital assays May 5, 2021 Issued
Array ( [id] => 18453232 [patent_doc_number] => 20230194512 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-22 [patent_title] => CALIBRATION USING A REGENERATIVE SURFACE [patent_app_type] => utility [patent_app_number] => 17/924141 [patent_app_country] => US [patent_app_date] => 2021-05-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15323 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 102 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17924141 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/924141
CALIBRATION USING A REGENERATIVE SURFACE May 5, 2021 Pending
Array ( [id] => 18406904 [patent_doc_number] => 20230168255 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-01 [patent_title] => UNBLENDING OF TRANSCRIPTIONAL CONDENSATES IN HUMAN REPEAT EXPANSION DISEASE [patent_app_type] => utility [patent_app_number] => 17/922074 [patent_app_country] => US [patent_app_date] => 2021-04-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 20096 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 34 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17922074 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/922074
UNBLENDING OF TRANSCRIPTIONAL CONDENSATES IN HUMAN REPEAT EXPANSION DISEASE Apr 27, 2021 Pending
Array ( [id] => 17186402 [patent_doc_number] => 20210333287 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-10-28 [patent_title] => METHOD FOR ACQUIRING INFORMATION OF TARGET POLYPEPTIDE AND REAGENT KIT [patent_app_type] => utility [patent_app_number] => 17/241213 [patent_app_country] => US [patent_app_date] => 2021-04-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10198 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 17241213 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/241213
Method for acquiring information of target polypeptide and reagent kit Apr 26, 2021 Issued
Array ( [id] => 17215737 [patent_doc_number] => 20210349075 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-11-11 [patent_title] => METHODS FOR ASSAYING BIOLOGICAL CELLS IN A MICROFLUIDIC DEVICE [patent_app_type] => utility [patent_app_number] => 17/241865 [patent_app_country] => US [patent_app_date] => 2021-04-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 70910 [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] => 17241865 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/241865
Methods for assaying biological cells in a microfluidic device Apr 26, 2021 Issued
Array ( [id] => 17038241 [patent_doc_number] => 20210255200 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-08-19 [patent_title] => PREDICTING MORTALITY AND DETECTING SEVERE DISEASE [patent_app_type] => utility [patent_app_number] => 17/241303 [patent_app_country] => US [patent_app_date] => 2021-04-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14755 [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] => 17241303 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/241303
PREDICTING MORTALITY AND DETECTING SEVERE DISEASE Apr 26, 2021 Abandoned
Array ( [id] => 18486169 [patent_doc_number] => 20230213511 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-06 [patent_title] => METHOD FOR EVALUATING ALLERGEN INACTIVATORS AND KIT FOR EVALUATING ALLERGEN INACTIVATORS [patent_app_type] => utility [patent_app_number] => 17/927187 [patent_app_country] => US [patent_app_date] => 2021-04-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12293 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 25 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17927187 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/927187
METHOD FOR EVALUATING ALLERGEN INACTIVATORS AND KIT FOR EVALUATING ALLERGEN INACTIVATORS Apr 22, 2021 Pending
Array ( [id] => 17445324 [patent_doc_number] => 20220065829 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-03 [patent_title] => TRIMETHYLAMINE-CONTAINING COMPOUNDS FOR DIAGNOSIS AND PREDICTION OF DISEASE [patent_app_type] => utility [patent_app_number] => 17/234229 [patent_app_country] => US [patent_app_date] => 2021-04-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 20594 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 64 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17234229 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/234229
TMA-formation inhibitor treatment for elevated TMA-containing compound diseases Apr 18, 2021 Issued
Array ( [id] => 17157241 [patent_doc_number] => 20210318292 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-10-14 [patent_title] => System and Method to Detect Small Molecules [patent_app_type] => utility [patent_app_number] => 17/229467 [patent_app_country] => US [patent_app_date] => 2021-04-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11467 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 26 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17229467 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/229467
System and Method to Detect Small Molecules Apr 12, 2021 Abandoned
Array ( [id] => 17113185 [patent_doc_number] => 20210293782 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-23 [patent_title] => COMPARTMENTALIZED ASSAYS OF BISPECIFIC AND MULTISPECIFIC BIOLOGICS [patent_app_type] => utility [patent_app_number] => 17/221688 [patent_app_country] => US [patent_app_date] => 2021-04-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17076 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17221688 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/221688
Compartmentalized assays of bispecific and multispecific biologics Apr 1, 2021 Issued
Array ( [id] => 18250730 [patent_doc_number] => 20230077769 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-16 [patent_title] => A Point of Care Device, Method and Kit Involving Club Cell Protein 16 as a Marker for Silicosis [patent_app_type] => utility [patent_app_number] => 17/904201 [patent_app_country] => US [patent_app_date] => 2021-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4993 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [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] => 17904201 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/904201
A Point of Care Device, Method and Kit Involving Club Cell Protein 16 as a Marker for Silicosis Mar 30, 2021 Pending
Array ( [id] => 19090060 [patent_doc_number] => 11951483 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-04-09 [patent_title] => Methods for conducting multiplexed assays [patent_app_type] => utility [patent_app_number] => 17/215962 [patent_app_country] => US [patent_app_date] => 2021-03-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 19 [patent_no_of_words] => 35881 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 387 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17215962 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/215962
Methods for conducting multiplexed assays Mar 28, 2021 Issued
Array ( [id] => 17098175 [patent_doc_number] => 20210285966 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-16 [patent_title] => DIAGNOSTIC METHODS FOR LIVER DISORDERS [patent_app_type] => utility [patent_app_number] => 17/213954 [patent_app_country] => US [patent_app_date] => 2021-03-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5380 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 236 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17213954 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/213954
DIAGNOSTIC METHODS FOR LIVER DISORDERS Mar 25, 2021 Abandoned
Array ( [id] => 17628508 [patent_doc_number] => 20220163523 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-26 [patent_title] => TEST STRIP FOR PEANUT IMMUNOFLUORESCENCE ASSAY (IFA), USE THEREOF AND DETECTION METHOD [patent_app_type] => utility [patent_app_number] => 17/211535 [patent_app_country] => US [patent_app_date] => 2021-03-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3258 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 141 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17211535 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/211535
TEST STRIP FOR PEANUT IMMUNOFLUORESCENCE ASSAY (IFA), USE THEREOF AND DETECTION METHOD Mar 23, 2021 Abandoned
Array ( [id] => 19181061 [patent_doc_number] => 11987643 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-05-21 [patent_title] => Monoclonal antibody that specifically binds to sugar chain in which terminal sialic acid residue is bonded to galactose by alpha 2,3 bond, and measurement method for sugar chain in which terminal sialic acid residue is bonded to galactose by alpha 2,3 bond [patent_app_type] => utility [patent_app_number] => 17/918042 [patent_app_country] => US [patent_app_date] => 2021-03-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 10 [patent_no_of_words] => 6671 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 139 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17918042 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/918042
Monoclonal antibody that specifically binds to sugar chain in which terminal sialic acid residue is bonded to galactose by alpha 2,3 bond, and measurement method for sugar chain in which terminal sialic acid residue is bonded to galactose by alpha 2,3 bond Mar 17, 2021 Issued
Array ( [id] => 19475007 [patent_doc_number] => 12105086 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-10-01 [patent_title] => System, device and method for high-throughput multi-plexed detection [patent_app_type] => utility [patent_app_number] => 17/204279 [patent_app_country] => US [patent_app_date] => 2021-03-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 85 [patent_figures_cnt] => 78 [patent_no_of_words] => 28514 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 180 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17204279 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/204279
System, device and method for high-throughput multi-plexed detection Mar 16, 2021 Issued
Menu