# Filing Detail

Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0000860546-21-000010
Filing Date
2021-02-12
Accepted
2021-02-12 16:40:02
Documents
131
Period of Report
2020-12-31

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | 10-K | ofc-20201231.htm iXBRL | 10-K | 6769757
2 | EX-10.10 | copt12312020ex1010.htm | EX-10.10 | 36767
3 | EX-21.1 | copt12312020ex211.htm | EX-21.1 | 121626
4 | EX-21.2 | copt12312020ex212.htm | EX-21.2 | 120072
5 | EX-23.1 | copt12312020ex231.htm | EX-23.1 | 2268
6 | EX-23.2 | copt12312020ex232.htm | EX-23.2 | 2162
7 | EX-31.1 | copt12312020ex311.htm | EX-31.1 | 15270
8 | EX-31.2 | copt12312020ex312.htm | EX-31.2 | 15248
9 | EX-31.3 | copt12312020ex313.htm | EX-31.3 | 14833
10 | EX-31.4 | copt12312020ex314.htm | EX-31.4 | 14649
11 | EX-32.1 | copt12312020ex321.htm | EX-32.1 | 5634
12 | EX-32.2 | copt12312020ex322.htm | EX-32.2 | 5591
13 | EX-32.3 | copt12312020ex323.htm | EX-32.3 | 5538
14 | EX-32.4 | copt12312020ex324.htm | EX-32.4 | 5675
20 |  | ofc-20201231_g1.jpg | GRAPHIC | 125610
| Complete submission text file | 0000860546-21-000010.txt |  | 28355882

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
15 | XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT | ofc-20201231.xsd | EX-101.SCH | 170276
16 | XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT | ofc-20201231_cal.xml | EX-101.CAL | 206450
17 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT | ofc-20201231_def.xml | EX-101.DEF | 955969
18 | XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT | ofc-20201231_lab.xml | EX-101.LAB | 1700435
19 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT | ofc-20201231_pre.xml | EX-101.PRE | 1126311
21 | EXTRACTED XBRL INSTANCE DOCUMENT | ofc-20201231_htm.xml | XML | 6436391

Mailing Address 6711 COLUMBIA GATEWAY DRIVE SUITE 300 COLUMBIA MD 21046
Business Address 6711 COLUMBIA GATEWAY DRIVE SUITE 300 COLUMBIA MD 21046 4432855400
CORPORATE OFFICE PROPERTIES TRUST (Filer) CIK: 0000860546 (see all company filings)

EIN.: 232947217 | State of Incorp.: MD | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 001-14023 | Film No.: 21628562
SIC: 6798 Real Estate Investment Trusts

Mailing Address 6711 COLUMBIA GATEWAY DRIVE SUITE 300 COLUMBIA MD 21046
Business Address 6711 COLUMBIA GATEWAY DRIVE SUITE 300 COLUMBIA MD 21046 443-285-5400
Corporate Office Properties, L.P. (Filer) CIK: 0001577966 (see all company filings)

EIN.: 232930022 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 333-189188 | Film No.: 21628561
SIC: 6798 Real Estate Investment Trusts