NOTE 4. Property, Plant, and Equipment, Net

As of September 30, 2006, property, plant, and equipment, net consisted of the following:

USPTO Property, Plant, and Equipment as of September 30, 2006 (Dollars in Thousands) Classes of Property, Plant, and Equipment Depreciation/ Amortization Method Service Life (Years) Acquisition Value Accumulated Depreciation/ Amortization Net Book Value IT Equipment SL 3-5 $227,350 $180,831 $ 46,519 Software SL 3-5  198,492  166,811   31,681 Software in Progress - -    8,041        -    8,041 Furniture SL 5   21,986    7,969   14,017 Equipment SL 3-5   11,659    8,648     3,011  Leasehold Improvements SL 5-20   69,765     8,496    61,269 Total Property, Plant, and Equipment     $537,293 $372,755 $164,538

As of September 30, 2005, property, plant, and equipment, net consisted of the following:

USPTO Property, Plant, and Equipment as of September 30, 2005 (Dollars in Thousands) Classes of Property, Plant, and Equipment Depreciation/ Amortization Method Service Life (Years) Acquisition Value Accumulated Depreciation/ Amortization Net Book Value IT Equipment SL 3-5 $197,719 $163,412 $ 34,307 Software SL 3-5  179,566  147,274   32,292 Software in Progress - -    6,099        -    6,099 Furniture SL 5   15,318    5,691    9,627 Equipment SL 3-5   10,150    7,989     2,161  Leasehold Improvements SL 5-20   68,724     4,809    63,915 Total Property, Plant, and Equipment     $477,576 $329,175 $148,401

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