You also might get rid of some of those backslashes by substituting
another character, then using replace() on the string before compiling it.

      final static String PATTERN = "``{2}.+``Process`(java`)";

      String myRegex = PATTERN.replace("`", "\\" );
      System.out.println( myRegex );

Result:

\\{2}.+\\Process\(java\)

It just makes things more readable.  Using `, or %, or # in a string,
then replace that character with \'s before compiling it as a regex can
save your eyes.

Incidentally, I wonder if Sun could be convinced to add this themselves.
 Maybe add a new operator/keyword altogether.  Like # introduces new
keywords or operators.  It's followed by the keyword or operator.  This
just allows Sun to make new keywords or operators, with out breaking any
existing code.  So #s might give us new string constatns.  Let's say '
then means like a Unix shell string, where escaping is ignored.

  String regex = #s'\\{2}.+\\Process\(java\)';

Would give that literal string, without the need to escape the
backslashes.  Easier for regex at least.  Other types of flags besides '
could be introduced too.  `,$,@,%,= might do the same thing, just use a
different character as a string terminator, in case you want a ' to be
part of the string.  """ might introduce a "here-is" operator.  Etc.

Just thinking out loud....