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  • Some weeks ago, I asked how to include the (R) (registered) and 
    TM (exponant Trade Mark) symbols in a document using a style (SPIE)
    in which they were not defined.
    
    I have first to apologize to those who answered for taking so
    much time to reply, but, as the post told, we were in a hurry and
    we've had to work hard those last weeks.
    
    Anyway, is the summary.
    
    The best solutions (after various tries) are:
    
     - for (R)
     
      \def\registered{{\ooalign{\hfil\raise .00ex\hbox{\scriptsize R}\hfil\crcr\mathhexbox20D}}
      used as follow
      $^\registered$
      suggested by:
      Scott D. Anderson
      anderson@cs.umass.edu
      who holds it from:
      Ulick Stafford (ulick.stafford@nd.edu)
    
     - for (TM)
     
      \def\tm{\leavevmode\hbox{$\rm {}^{TM}$}}
      suggested by:
      Patrick TJ McPhee 
      Toronto  Canada
      ptjm@io.org
      
    Other solutions (not sorted):
    
     - for (R)
     
      changing the \copyright macro:
      \def\registered{{\ooalign{\hfil\raise .07ex{\hbox{\sevenrm R}\hfil\crcr\mathhexbox20D}}}
      or, if using postscript fonts:
      \chardef\registered='256
      suggested by:
      Patrick TJ McPhee 
      Toronto  Canada
      ptjm@io.org
      
      %% The registered trademark symbol, a raised, circled R.  We do a little
      %% negative kern on each side because the edge of the circle is quite far from
      %% the corner of the box.
      \def\Registered{\raisebox{1ex}{\kern-.1em\setbox\@tempboxa\hbox{\footnotesize$\bigcirc$}\hbox
      to 0pt{\hbox to\wd\@tempboxa{\hss\tiny R\hss}\hss}\box\@tempboxa\kern-.1em}}
      suggested by:
      Scott D. Anderson
      anderson@cs.umass.edu
      
      \def\register{{\ooalign{\hfil\raise.07ex\hbox{r}\hfil\crcr\mathhexbox20D}}}
      then accessible in math mode.
      suggested by:
      Alexandre Chartre
      chartre@eis.enac.dgac.fr
      
     - for (TM)
     
      $^{\rm TM}$
      suggested by:
      Jeff Lessem
      Jeff.Lessem@Colorado.EDU
      
      if using postscript fonts:
      \chardef\tm='223
      suggested by:
      Patrick TJ McPhee 
      Toronto  Canada
      ptjm@io.org
      
      $^{TM}$ or $^{\tiny TM}$
      suggested by:
      Scott D. Anderson
      anderson@cs.umass.edu
      
      \def\trademark{{\hbox{\tiny TM}}} then accessible in math mode
      suggested by:
      Alexandre Chartre
      chartre@eis.enac.dgac.fr
      
    So, many thanks to you Mr Anderson (and Mr Stafford), Mr McPhee, 
    Mr Lessem and Mr Chartre.
    
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