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Filing Detail
Form 8-K/A - Current report: [Amend]
SEC Accession No. 0001104659-11-070950
Filing Date
2011-12-22
Accepted
2011-12-22 17:26:37
Documents
1
Period of Report
2011-12-21
Items
Item 2.06: Material Impairments

Document Format Files

Seq Description Document Type Size
1 8-K/A a11-32242_18ka.htm 8-K/A 23761
  Complete submission text file 0001104659-11-070950.txt   25153
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)

IRS No.: 232947217 | State of Incorp.: MD | Fiscal Year End: 1231
Type: 8-K/A | Act: 34 | File No.: 001-14023 | Film No.: 111278375
SIC: 6798 Real Estate Investment Trusts