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] => 17061220 [patent_doc_number] => 11105816 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-08-31 [patent_title] => Methods for identification of pregnancy failure [patent_app_type] => utility [patent_app_number] => 16/681924 [patent_app_country] => US [patent_app_date] => 2019-11-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 10406 [patent_no_of_claims] => 17 [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] => 16681924 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/681924
Methods for identification of pregnancy failure Nov 12, 2019 Issued
Array ( [id] => 16336750 [patent_doc_number] => 10787697 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-09-29 [patent_title] => Quantification of nucleosome modifications using chemically-defined recombinant nucleosomes [patent_app_type] => utility [patent_app_number] => 16/678686 [patent_app_country] => US [patent_app_date] => 2019-11-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 12576 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 173 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16678686 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/678686
Quantification of nucleosome modifications using chemically-defined recombinant nucleosomes Nov 7, 2019 Issued
Array ( [id] => 17215772 [patent_doc_number] => 20210349110 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-11-11 [patent_title] => METHOD FOR PROVIDING INFORMATION ON DIAGNOSIS OR PROGNOSTIC MEASUREMENT OF HISTOLOGICAL SEVERITY OF NONALCOHOLIC FATTY LIVER DISEASE [patent_app_type] => utility [patent_app_number] => 17/283058 [patent_app_country] => US [patent_app_date] => 2019-10-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4944 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 42 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17283058 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/283058
METHOD FOR PROVIDING INFORMATION ON DIAGNOSIS OR PROGNOSTIC MEASUREMENT OF HISTOLOGICAL SEVERITY OF NONALCOHOLIC FATTY LIVER DISEASE Oct 23, 2019 Abandoned
Array ( [id] => 15934177 [patent_doc_number] => 20200158722 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-05-21 [patent_title] => METHODS OF ASSAYING PROTEINS [patent_app_type] => utility [patent_app_number] => 16/659132 [patent_app_country] => US [patent_app_date] => 2019-10-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 19873 [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] => 16659132 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/659132
Methods of assaying proteins Oct 20, 2019 Issued
Array ( [id] => 20403055 [patent_doc_number] => 12493028 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-09 [patent_title] => Microparticles for detecting biological materials and method for detecting biological materials using the same [patent_app_type] => utility [patent_app_number] => 17/285890 [patent_app_country] => US [patent_app_date] => 2019-10-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 15 [patent_no_of_words] => 4176 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 51 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17285890 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/285890
Microparticles for detecting biological materials and method for detecting biological materials using the same Oct 15, 2019 Issued
Array ( [id] => 19717335 [patent_doc_number] => 12202858 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-01-21 [patent_title] => Solid-phase carrier including IgG-binding peptide, and IgG separation method [patent_app_type] => utility [patent_app_number] => 17/284309 [patent_app_country] => US [patent_app_date] => 2019-10-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 9283 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 178 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17284309 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/284309
Solid-phase carrier including IgG-binding peptide, and IgG separation method Oct 6, 2019 Issued
Array ( [id] => 15652399 [patent_doc_number] => 20200088729 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-03-19 [patent_title] => DETECTION OF MOLECULAR ASSOCIATIONS [patent_app_type] => utility [patent_app_number] => 16/573673 [patent_app_country] => US [patent_app_date] => 2019-09-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 25578 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 16573673 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/573673
Detection of molecular associations Sep 16, 2019 Issued
Array ( [id] => 15499061 [patent_doc_number] => 20200049719 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-02-13 [patent_title] => MARKERS FOR RENAL DISEASE [patent_app_type] => utility [patent_app_number] => 16/571345 [patent_app_country] => US [patent_app_date] => 2019-09-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15796 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 190 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16571345 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/571345
Markers for renal disease Sep 15, 2019 Issued
Array ( [id] => 15771375 [patent_doc_number] => 20200116705 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-04-16 [patent_title] => COMPOSITIONS AND METHODS FOR IN VITRO ASSAYS OF FIBRIN ACTIVITY [patent_app_type] => utility [patent_app_number] => 16/572365 [patent_app_country] => US [patent_app_date] => 2019-09-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8176 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 30 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16572365 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/572365
Compositions and methods for in vitro assays of fibrin activity Sep 15, 2019 Issued
Array ( [id] => 17822913 [patent_doc_number] => 11427852 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-08-30 [patent_title] => Methods for diagnosing and treating inflammatory bowel disease [patent_app_type] => utility [patent_app_number] => 16/571034 [patent_app_country] => US [patent_app_date] => 2019-09-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 55 [patent_no_of_words] => 22942 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 202 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16571034 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/571034
Methods for diagnosing and treating inflammatory bowel disease Sep 12, 2019 Issued
Array ( [id] => 15742417 [patent_doc_number] => 20200110097 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-04-09 [patent_title] => IMMUNOASSAY FOR SIMULTANEOUSLY SCREENING ANTI-PLATELET ANTIBODIES AND PERFORMING PLATELETS CROSS MATCHING AND TEST APPARATUS FOR CARRYING OUT SAME [patent_app_type] => utility [patent_app_number] => 16/567624 [patent_app_country] => US [patent_app_date] => 2019-09-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2768 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 259 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16567624 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/567624
Immunoassay for simultaneously screening anti-platelet antibodies and performing platelets cross matching and test apparatus for carrying out same Sep 10, 2019 Issued
Array ( [id] => 16238591 [patent_doc_number] => 20200255825 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-08-13 [patent_title] => BIOLOGICAL MATERIALS AND THERAPEUTIC USES THEREOF [patent_app_type] => utility [patent_app_number] => 16/566506 [patent_app_country] => US [patent_app_date] => 2019-09-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 29108 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 16566506 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/566506
BIOLOGICAL MATERIALS AND THERAPEUTIC USES THEREOF Sep 9, 2019 Abandoned
Array ( [id] => 15771383 [patent_doc_number] => 20200116709 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-04-16 [patent_title] => Microdroplet Based Bioassay Platform [patent_app_type] => utility [patent_app_number] => 16/566208 [patent_app_country] => US [patent_app_date] => 2019-09-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14916 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 186 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16566208 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/566208
Microdroplet based bioassay platform Sep 9, 2019 Issued
Array ( [id] => 17068614 [patent_doc_number] => 20210270829 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-02 [patent_title] => Methods For Determining Concentration Of Low And High Concentration Proteins In A Single Sample [patent_app_type] => utility [patent_app_number] => 17/255012 [patent_app_country] => US [patent_app_date] => 2019-08-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5617 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [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] => 17255012 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/255012
Methods for determining concentration of low and high concentration proteins in a single sample Aug 27, 2019 Issued
Array ( [id] => 17768109 [patent_doc_number] => 11400027 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-08-02 [patent_title] => Kit and method for detecting porous dental hydroxyapatite [patent_app_type] => utility [patent_app_number] => 16/551965 [patent_app_country] => US [patent_app_date] => 2019-08-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 22 [patent_figures_cnt] => 42 [patent_no_of_words] => 15505 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16551965 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/551965
Kit and method for detecting porous dental hydroxyapatite Aug 26, 2019 Issued
Array ( [id] => 15965553 [patent_doc_number] => 20200166528 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-05-28 [patent_title] => Methods for Improving Assays of Biological Samples [patent_app_type] => utility [patent_app_number] => 16/552080 [patent_app_country] => US [patent_app_date] => 2019-08-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 56063 [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] => 16552080 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/552080
Methods for Improving Assays of Biological Samples Aug 26, 2019 Abandoned
Array ( [id] => 17422414 [patent_doc_number] => 11255861 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-02-22 [patent_title] => Method for determining the risk of preterm birth [patent_app_type] => utility [patent_app_number] => 16/552218 [patent_app_country] => US [patent_app_date] => 2019-08-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 14 [patent_no_of_words] => 6663 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 57 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16552218 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/552218
Method for determining the risk of preterm birth Aug 26, 2019 Issued
Array ( [id] => 16900755 [patent_doc_number] => 20210179671 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-17 [patent_title] => IMMUNOGLOBULIN-BINDING PROTEIN, AND AFFINITY CARRIER USING SAME [patent_app_type] => utility [patent_app_number] => 17/268804 [patent_app_country] => US [patent_app_date] => 2019-08-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 21193 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 468 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17268804 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/268804
Immunoglobulin-binding protein, and affinity carrier using same Aug 22, 2019 Issued
Array ( [id] => 17171700 [patent_doc_number] => 20210325370 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-10-21 [patent_title] => Biosensor for Male Infertility [patent_app_type] => utility [patent_app_number] => 17/260609 [patent_app_country] => US [patent_app_date] => 2019-08-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10183 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 17 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17260609 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/260609
Biosensor for Male Infertility Aug 22, 2019 Abandoned
Array ( [id] => 16933787 [patent_doc_number] => 20210199676 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-01 [patent_title] => METHOD FOR AIDING DETECTION OF NONALCOHOLIC STEATOHEPATITIS [patent_app_type] => utility [patent_app_number] => 17/270190 [patent_app_country] => US [patent_app_date] => 2019-08-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8557 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 30 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17270190 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/270190
Method for aiding detection of nonalcoholic steatohepatitis Aug 21, 2019 Issued
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