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Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material:
SEC Accession No. 0001104659-10-025853
Filing Date
2010-05-05
Accepted
2010-05-05 17:25:51
Documents
1
Effectiveness Date
2010-05-05

Document Format Files

Seq Description Document Type Size
1 DEFA14A a10-9552_2defa14a.htm DEFA14A 28459
  Complete submission text file 0001104659-10-025853.txt   30219
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: DEFA14A | Act: 34 | File No.: 001-14023 | Film No.: 10803040
SIC: 6798 Real Estate Investment Trusts