Search

Karen Cheng

Examiner (ID: 6639, Phone: (571)270-7381 , Office: P/1626 )

Most Active Art Unit
1626
Art Unit(s)
1622, 1626, 1623, 1621
Total Applications
991
Issued Applications
705
Pending Applications
99
Abandoned Applications
228

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20402371 [patent_doc_number] => 12492341 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-09 [patent_title] => Heteroaryl-thio-substituted pyrones [patent_app_type] => utility [patent_app_number] => 18/741022 [patent_app_country] => US [patent_app_date] => 2024-06-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 3943 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 14 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18741022 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/741022
Heteroaryl-thio-substituted pyrones Jun 11, 2024 Issued
Array ( [id] => 19528121 [patent_doc_number] => 20240352023 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-24 [patent_title] => IMIDAZOPYRIMIDINE AND IMIDAZOTRIAZINE DERIVATIVE, AND PHARMACEUTICAL COMPOSITION COMPRISING THE SAME [patent_app_type] => utility [patent_app_number] => 18/734144 [patent_app_country] => US [patent_app_date] => 2024-06-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 20526 [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] => 18734144 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/734144
IMIDAZOPYRIMIDINE AND IMIDAZOTRIAZINE DERIVATIVE, AND PHARMACEUTICAL COMPOSITION COMPRISING THE SAME Jun 4, 2024 Pending
Array ( [id] => 19571807 [patent_doc_number] => 20240376099 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-14 [patent_title] => COMPOUNDS AND COMPOSITIONS AS INHIBITORS OF ENDOSOMAL TOLL-LIKE RECEPTORS [patent_app_type] => utility [patent_app_number] => 18/678198 [patent_app_country] => US [patent_app_date] => 2024-05-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 41467 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -23 [patent_words_short_claim] => 378 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18678198 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/678198
COMPOUNDS AND COMPOSITIONS AS INHIBITORS OF ENDOSOMAL TOLL-LIKE RECEPTORS May 29, 2024 Abandoned
Array ( [id] => 19281538 [patent_doc_number] => 20240218012 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-04 [patent_title] => CRYSTALLINE FORMS OF A NEUROACTIVE STEROID [patent_app_type] => utility [patent_app_number] => 18/597990 [patent_app_country] => US [patent_app_date] => 2024-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 23326 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [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] => 18597990 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/597990
Crystalline forms of a neuroactive steroid Mar 6, 2024 Issued
Array ( [id] => 20201528 [patent_doc_number] => 12404297 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-02 [patent_title] => Salts and crystal forms of GABA- [patent_app_type] => utility [patent_app_number] => 18/529117 [patent_app_country] => US [patent_app_date] => 2023-12-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 125 [patent_figures_cnt] => 125 [patent_no_of_words] => 40133 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 58 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18529117 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/529117
Salts and crystal forms of GABA- Dec 4, 2023 Issued
Array ( [id] => 19180233 [patent_doc_number] => 11986809 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-05-21 [patent_title] => 4,4-divinylazoarylene-bridged diruthenium complex bearing Ru(CO)Cl(PiPr3)2 as an inorganic catalyst [patent_app_type] => utility [patent_app_number] => 18/389393 [patent_app_country] => US [patent_app_date] => 2023-11-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3643 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 12 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18389393 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/389393
4,4-divinylazoarylene-bridged diruthenium complex bearing Ru(CO)Cl(PiPr3)2 as an inorganic catalyst Nov 13, 2023 Issued
Array ( [id] => 19164995 [patent_doc_number] => 11980877 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-05-14 [patent_title] => 4,4'-divinylazobenzene-bridged diruthenium complex bearing Ru(CO)Cl(P [patent_app_type] => utility [patent_app_number] => 18/389129 [patent_app_country] => US [patent_app_date] => 2023-11-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 4270 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 13 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18389129 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/389129
4,4'-divinylazobenzene-bridged diruthenium complex bearing Ru(CO)Cl(P Nov 12, 2023 Issued
Array ( [id] => 19157674 [patent_doc_number] => 20240150381 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-09 [patent_title] => COMPOSITIONS AND DOSAGE FORMS FOR TREATMENT OF HPV INFECTION AND HPV-INDUCED NEOPLASIA [patent_app_type] => utility [patent_app_number] => 18/385766 [patent_app_country] => US [patent_app_date] => 2023-10-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 53252 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 7 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18385766 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/385766
Compositions and dosage forms for treatment of HPV infection and HPV-induced neoplasia Oct 30, 2023 Issued
Array ( [id] => 19043510 [patent_doc_number] => 11932594 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-03-19 [patent_title] => 8-((2-hydroxy-5-methylphenyl)diazenyl)naphthalene-1,3-disulfonic acid as an antioxidant compound [patent_app_type] => utility [patent_app_number] => 18/385853 [patent_app_country] => US [patent_app_date] => 2023-10-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3841 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 9 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18385853 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/385853
8-((2-hydroxy-5-methylphenyl)diazenyl)naphthalene-1,3-disulfonic acid as an antioxidant compound Oct 30, 2023 Issued
Array ( [id] => 19140438 [patent_doc_number] => 20240139221 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-02 [patent_title] => TREATMENT OF HPV-INDUCED NEOPLASIA [patent_app_type] => utility [patent_app_number] => 18/385778 [patent_app_country] => US [patent_app_date] => 2023-10-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 53260 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -25 [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] => 18385778 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/385778
TREATMENT OF HPV-INDUCED NEOPLASIA Oct 30, 2023 Abandoned
Array ( [id] => 19135509 [patent_doc_number] => 11970439 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-04-30 [patent_title] => 8-(4-chlorobenzylideneamino)naphthalene-1,3-disulfonic acid as an antioxidant compound [patent_app_type] => utility [patent_app_number] => 18/385147 [patent_app_country] => US [patent_app_date] => 2023-10-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3736 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 9 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18385147 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/385147
8-(4-chlorobenzylideneamino)naphthalene-1,3-disulfonic acid as an antioxidant compound Oct 29, 2023 Issued
Array ( [id] => 19135510 [patent_doc_number] => 11970440 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-04-30 [patent_title] => 8-(3-chlorobenzylideneamino)naphthalene-1,3-disulfonic acid as an antioxidant compound [patent_app_type] => utility [patent_app_number] => 18/385216 [patent_app_country] => US [patent_app_date] => 2023-10-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3730 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 9 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18385216 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/385216
8-(3-chlorobenzylideneamino)naphthalene-1,3-disulfonic acid as an antioxidant compound Oct 29, 2023 Issued
Array ( [id] => 18980099 [patent_doc_number] => 11905259 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-02-20 [patent_title] => 2-(benzo[d]oxazol-2-yl)-N'-(4-(dimethylamino)benzoyloxy)acetimidamide as an antimicrobial compound [patent_app_type] => utility [patent_app_number] => 18/382915 [patent_app_country] => US [patent_app_date] => 2023-10-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4025 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 8 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18382915 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/382915
2-(benzo[d]oxazol-2-yl)-N'-(4-(dimethylamino)benzoyloxy)acetimidamide as an antimicrobial compound Oct 22, 2023 Issued
Array ( [id] => 19097662 [patent_doc_number] => 20240116890 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-11 [patent_title] => LARGE SCALE SYNTHESIS OF CANNABINOL [patent_app_type] => utility [patent_app_number] => 18/476926 [patent_app_country] => US [patent_app_date] => 2023-09-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7882 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 126 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18476926 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/476926
LARGE SCALE SYNTHESIS OF CANNABINOL Sep 27, 2023 Pending
Array ( [id] => 18995852 [patent_doc_number] => 11912679 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-02-27 [patent_title] => Aryl alkynamide derivatives [patent_app_type] => utility [patent_app_number] => 18/372771 [patent_app_country] => US [patent_app_date] => 2023-09-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 25426 [patent_no_of_claims] => 19 [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] => 18372771 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/372771
Aryl alkynamide derivatives Sep 25, 2023 Issued
Array ( [id] => 19135545 [patent_doc_number] => 11970475 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-04-30 [patent_title] => 4-(1-(2-Hydroxypropyl)-4,5-diphenyl-1H-imidazol-2-yl)pyridin-3-ol as an antimicrobial compound [patent_app_type] => utility [patent_app_number] => 18/242235 [patent_app_country] => US [patent_app_date] => 2023-09-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 4185 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 8 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18242235 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/242235
4-(1-(2-Hydroxypropyl)-4,5-diphenyl-1H-imidazol-2-yl)pyridin-3-ol as an antimicrobial compound Sep 4, 2023 Issued
Array ( [id] => 19209481 [patent_doc_number] => 11998515 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-06-04 [patent_title] => Enhancement of curcumin plasma levels using eucalyptol co-administration [patent_app_type] => utility [patent_app_number] => 18/237710 [patent_app_country] => US [patent_app_date] => 2023-08-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2990 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 138 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18237710 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/237710
Enhancement of curcumin plasma levels using eucalyptol co-administration Aug 23, 2023 Issued
Array ( [id] => 19020125 [patent_doc_number] => 20240076296 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-07 [patent_title] => THIAZOLE DERIVATIVES FOR THERAPEUTIC USE [patent_app_type] => utility [patent_app_number] => 18/235949 [patent_app_country] => US [patent_app_date] => 2023-08-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7525 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 18235949 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/235949
THIAZOLE DERIVATIVES FOR THERAPEUTIC USE Aug 20, 2023 Pending
Array ( [id] => 19090967 [patent_doc_number] => 11952397 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-04-09 [patent_title] => Crystalline forms of a neuroactive steroid [patent_app_type] => utility [patent_app_number] => 18/363942 [patent_app_country] => US [patent_app_date] => 2023-08-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 23347 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 58 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18363942 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/363942
Crystalline forms of a neuroactive steroid Aug 1, 2023 Issued
Array ( [id] => 19360817 [patent_doc_number] => 20240262851 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-08 [patent_title] => CYCLOPROPENE PHOSPHORAMIDITES AND CONJUGATES THEREOF [patent_app_type] => utility [patent_app_number] => 18/338750 [patent_app_country] => US [patent_app_date] => 2023-06-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 45930 [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] => 18338750 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/338750
CYCLOPROPENE PHOSPHORAMIDITES AND CONJUGATES THEREOF Jun 20, 2023 Pending
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