(1)

ExceptionConverter:
The original version of this class was published in an article by Heinz Kabutz.
Read http://www.javaspecialists.eu/archive/Issue033.html
"This material from The Java(tm) Specialists' Newsletter by Maximum Solutions
(South Africa). Please contact Maximum Solutions  for more information.
Heinz Kabutz granted permission to use the example we've built on.

(2)

SimpleXMLParser:
The original version of this class was published in a JavaWorld article by Steven Brandt:
http://www.javaworld.com/javaworld/javatips/jw-javatip128.html
Jennifer Orr (JavaWorld) wrote: "You have permission to use the code appearing in
Steven Brandt's JavaWorld article, 'Java Tip 128: Create a quick-and-dirty XML parser.'
We ask that you reference the author as the creator and JavaWorld as the original publisher
of the code." Steven Brandt also agreed with the use of this class.

(3)

The following files contain material that was copyrighted by SUN:

com/itextpdf/text/pdf/LZWDecoder.java (first appearance in iText: 2002-02-08)
com/itextpdf/text/pdf/codec/BmpImage.java (first appearance in iText: 2003-06-20)
com/itextpdf/text/pdf/codec/PngImage.java (first appearance in iText: 2003-04-25)
com/itextpdf/text/pdf/codec/TIFFDirectory.java (first appearance in iText: 2003-04-09)
com/itextpdf/text/pdf/codec/TIFFFaxDecoder.java (first appearance in iText: 2003-04-09)
com/itextpdf/text/pdf/codec/TIFFField.java (first appearance in iText: 2003-04-09)
com/itextpdf/text/pdf/codec/TIFFLZWDecoder.java (first appearance in iText: 2003-04-09)

The original code was released under the BSD license, and contained the following
extra restriction: "You acknowledge that Software is not designed, licensed or intended
for use in the design, construction, operation or maintenance of any nuclear facility."

In a mail sent to Bruno Lowagie on January 23, 2008, Brian Burkhalter (@sun.com)
writes: "This code is under a BSD license and supersedes the older codec packages
on which your code is based. It also includes numerous fixes among them being the
ability to handle a lot of 'broken' TIFFs."

Note that numerous fixes were applied to the code used in iText by Paulo Soares,
but apart from the fixes there were no essential changes between the code that
was originally adapted and the code that is now available under the following
license:

 Copyright (c) 2005 Sun Microsystems, Inc. All  Rights Reserved.
 
 Redistribution and use in source and binary forms, with or without
 modification, are permitted provided that the following conditions
 are met: 
 
 - Redistribution of source code must retain the above copyright 
   notice, this  list of conditions and the following disclaimer.
 
 - Redistribution in binary form must reproduce the above copyright
   notice, this list of conditions and the following disclaimer in 
   the documentation and/or other materials provided with the
   distribution.
 
 Neither the name of Sun Microsystems, Inc. or the names of 
 contributors may be used to endorse or promote products derived 
 from this software without specific prior written permission.
 
 This software is provided "AS IS," without a warranty of any 
 kind. ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND 
 WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, 
 FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY
 EXCLUDED. SUN MIDROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL 
 NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF 
 USING, MODIFYING OR DISTRIBUTING THIS SOFTWARE OR ITS
 DERIVATIVES. IN NO EVENT WILL SUN OR ITS LICENSORS BE LIABLE FOR 
 ANY LOST REVENUE, PROFIT OR DATA, OR FOR DIRECT, INDIRECT, SPECIAL,
 CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER CAUSED AND
 REGARDLESS OF THE THEORY OF LIABILITY, ARISING OUT OF THE USE OF OR
 INABILITY TO USE THIS SOFTWARE, EVEN IF SUN HAS BEEN ADVISED OF THE
 POSSIBILITY OF SUCH DAMAGES. 
 
 You acknowledge that this software is not designed or intended for 
 use in the design, construction, operation or maintenance of any 
 nuclear facility.

The main difference can be found in the final paragraph: the restriction
that the source code is not "licensed" in this particular situation has
been removed.

FYI: Brian also added: "A bit of history might be in order.
The codec classes that you used originally were based on some
classes included with JAI but not strictly part of JAI.
As of Java SE 1.4 an official Image I/O framework was
added in javax.imageio.... This frameork supports these formats:

Java 1.4: GIF (read only), JPEG, PNG
Java 1.5: Added support for BMP and WBMP
Java 1.6: Added support for writing GIF

The JAI Image I/O Tools packages (jai-imageio-core) were created
to support formats handled by JAI but not included in Java SE
as well as some new things like JPEG2000."

(4) the file com/itextpdf/text/pdf/codec/TIFFConstants
and some other TIFF related code is derived from LIBTIFF:

 Copyright (c) 1988-1997 Sam Leffler
 Copyright (c) 1991-1997 Silicon Graphics, Inc.

 Permission to use, copy, modify, distribute, and sell this software and 
 its documentation for any purpose is hereby granted without fee, provided
 that (i) the above copyright notices and this permission notice appear in
 all copies of the software and related documentation, and (ii) the names of
 Sam Leffler and Silicon Graphics may not be used in any advertising or
 publicity relating to the software without the specific, prior written
 permission of Sam Leffler and Silicon Graphics.
 
 THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND, 
 EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY 
 WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.  
 
 IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
 ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
 OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
 WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF 
 LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE 
 OF THIS SOFTWARE.

(5)

BidiOrder:
As stated in the Javadoc comments, materials from Unicode.org
are used in the class com/itextpdf/text/pdf/BidiOrder.java
The following license applies to these materials:
 http://www.unicode.org/copyright.html#Exhibit1
  
 EXHIBIT 1
 UNICODE, INC. LICENSE AGREEMENT - DATA FILES AND SOFTWARE
 
 Unicode Data Files include all data files under the directories
 http://www.unicode.org/Public/, http://www.unicode.org/reports/,
 and http://www.unicode.org/cldr/data/ .
 Unicode Software includes any source code published in the Unicode Standard
 or under the directories http://www.unicode.org/Public/, http://www.unicode.org/reports/,
 and http://www.unicode.org/cldr/data/.
 
 NOTICE TO USER: Carefully read the following legal agreement. BY DOWNLOADING,
 INSTALLING, COPYING OR OTHERWISE USING UNICODE INC.'S DATA FILES ("DATA FILES"),
 AND/OR SOFTWARE ("SOFTWARE"), YOU UNEQUIVOCALLY ACCEPT, AND AGREE TO BE BOUND BY,
 ALL OF THE TERMS AND CONDITIONS OF THIS AGREEMENT. IF YOU DO NOT AGREE, DO NOT
 DOWNLOAD, INSTALL, COPY, DISTRIBUTE OR USE THE DATA FILES OR SOFTWARE.
 
 COPYRIGHT AND PERMISSION NOTICE
 Copyright (C) 1991-2007 Unicode, Inc. All rights reserved. Distributed under
 the Terms of Use in http://www.unicode.org/copyright.html.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of the Unicode data files and any associated documentation (the "Data Files")
 or Unicode software and any associated documentation (the "Software") to deal
 in the Data Files or Software without restriction, including without limitation
 the rights to use, copy, modify, merge, publish, distribute, and/or sell copies
 of the Data Files or Software, and to permit persons to whom the Data Files
 or Software are furnished to do so, provided that (a) the above copyright
 notice(s) and this permission notice appear with all copies of the Data Files
 or Software, (b) both the above copyright notice(s) and this permission notice
 appear in associated documentation, and (c) there is clear notice in each
 modified Data File or in the Software as well as in the documentation associated
 with the Data File(s) or Software that the data or software has been modified.
 
 THE DATA FILES AND SOFTWARE ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
 IN NO EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS INCLUDED IN THIS NOTICE BE
 LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY
 DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
 CONNECTION WITH THE USE OR PERFORMANCE OF THE DATA FILES OR SOFTWARE.
 
 Except as contained in this notice, the name of a copyright holder shall not
 be used in advertising or otherwise to promote the sale, use or other dealings
 in these Data Files or Software without prior written authorization of the
 copyright holder.

(6) Contributions by Deutsche Bahn

Our customer Deutsche Bahn provided a patch regarding tables using an agreement
different from the custom Contributor License Agreement, but as liberal as an
MIT-style license agreement.

This contribution involves:
a. extra colspan functionality added to the following classes:
   ColumnText, PdfPTable, and PdfPRow.
b. an extra table event: PdfPTableEventAfterSplit (also involving
   PdfPTableEventForwarder).

(7) Adobe XMP library

In package com.itextpdf.xmp, we're using the Adobe XMP library.
This library was released under the following terms:

Copyright (c) 2006, Adobe Systems Incorporated
All rights reserved.

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright
   notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
   notice, this list of conditions and the following disclaimer in the
   documentation and/or other materials provided with the distribution.
3. All advertising materials mentioning features or use of this software
   must display the following acknowledgement:
   This product includes software developed by the Adobe Systems Incorporated.
4. Neither the name of the Adobe Systems Incorporated nor the
   names of its contributors may be used to endorse or promote products
   derived from this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY ADOBE SYSTEMS INCORPORATED ''AS IS'' AND ANY
EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL ADOBE SYSTEMS INCORPORATED BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

http://www.adobe.com/devnet/xmp/library/eula-xmp-library-java.html

(8)
Some files use code from different Apache projects.
The source code of these files contains the appropriate copyright notices
as described in the Appendix of http://www.apache.org/licenses/LICENSE-2.0
This is a copy of the text that can be found at that specific URL:

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Extra information:

if you use the PdfCleanUp tool in the xtra package, you also need the
following Apache libraries:

- Apache Commons: commons-imaging
- Apache Commons: commons-io