diff --git a/configure.ac b/configure.ac
index 3e59161da06eadba040ed17d21a8337d2bc1a56d..da5251ca8cafca5644047f11511d81ab42efe538 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,6 +1,6 @@
dnl Process this file with autoconf to produce a configure script.
-dnl Copyright (C) 2009-2018 Dynare Team
+dnl Copyright © 2009-2018 Dynare Team
dnl
dnl This file is part of Dynare.
dnl
diff --git a/dynare++/parser/cc/assign.yy b/dynare++/parser/cc/assign.yy
index 60203f7c2ec6a0f90facd610b058b1dc9ce5b705..e81550651515d55db159c0f912bc466884ee5466 100644
--- a/dynare++/parser/cc/assign.yy
+++ b/dynare++/parser/cc/assign.yy
@@ -1,6 +1,6 @@
// -*- C++ -*-
%{
-/* Copyright (C) 2006-2011, Ondra Kamenik */
+/* Copyright © 2006-2011, Ondra Kamenik */
#include "location.hh"
#include "atom_assignings.hh"
diff --git a/dynare++/parser/cc/csv.ll b/dynare++/parser/cc/csv.ll
index 030f30d616cc8833c4822f819217318cf85e023f..a4bd9facdc22a4b4f7551af5d9bca442a17a2a2e 100644
--- a/dynare++/parser/cc/csv.ll
+++ b/dynare++/parser/cc/csv.ll
@@ -1,6 +1,6 @@
/* -*- C++ -*- */
%{
-// Copyright (C) 2007-2011, Ondra Kamenik
+// Copyright © 2007-2011, Ondra Kamenik
#include "location.hh"
#include "csv_tab.hh"
diff --git a/dynare++/parser/cc/formula.yy b/dynare++/parser/cc/formula.yy
index 8d2e38be0e76b928b4104efbcb30c69e10e500f6..14d81beeeb82f411e27ebb5d0358fce19daa1ce5 100644
--- a/dynare++/parser/cc/formula.yy
+++ b/dynare++/parser/cc/formula.yy
@@ -1,6 +1,6 @@
// -*- C++ -*-
%{
-/* Copyright (C) 2006-2011, Ondra Kamenik */
+/* Copyright © 2006-2011, Ondra Kamenik */
#include <cstdio>
diff --git a/dynare++/parser/cc/matrix.ll b/dynare++/parser/cc/matrix.ll
index 107395fdad05ae8f6f3beebd48a752385a2e44fe..8fe0cef0a8441e45a8ca37e6085d5186b2bc98f1 100644
--- a/dynare++/parser/cc/matrix.ll
+++ b/dynare++/parser/cc/matrix.ll
@@ -1,6 +1,6 @@
/* -*- C++ -*- */
%{
-// Copyright (C) 2006-2011, Ondra Kamenik
+// Copyright © 2006-2011, Ondra Kamenik
#include "location.hh"
#include "matrix_tab.hh"
diff --git a/dynare++/parser/cc/matrix.yy b/dynare++/parser/cc/matrix.yy
index 7b97caeb27f186d389666a1654dd6d839d14b1d2..bb23559d9c7fa7c3ed9e4eaa641f06658bb562a1 100644
--- a/dynare++/parser/cc/matrix.yy
+++ b/dynare++/parser/cc/matrix.yy
@@ -1,5 +1,5 @@
// -*- C++ -*-
-// Copyright (C) 2006-2011, Ondra Kamenik
+// Copyright © 2006-2011, Ondra Kamenik
%{
#include "location.hh"
diff --git a/dynare++/parser/cc/namelist.yy b/dynare++/parser/cc/namelist.yy
index 838a57d5f1928c1f623f7b98ce127af68b10b549..43dbdcfa1bbcd0796deb125fa4b8855c5cab08bf 100644
--- a/dynare++/parser/cc/namelist.yy
+++ b/dynare++/parser/cc/namelist.yy
@@ -1,5 +1,5 @@
// -*- C++ -*-
-// Copyright (C) 2007-2011, Ondra Kamenik
+// Copyright © 2007-2011, Ondra Kamenik
%{
#include "location.hh"
diff --git a/dynare++/src/dynglob.yy b/dynare++/src/dynglob.yy
index eef99092bad10099659ac1932c6b45f0dcf8e993..5a06eccc6bb6be957ac85b86e86c9202f90b0a85 100644
--- a/dynare++/src/dynglob.yy
+++ b/dynare++/src/dynglob.yy
@@ -1,6 +1,6 @@
// -*- C++ -*-
%{
-// Copyright (C) 2006-2011, Ondra Kamenik
+// Copyright © 2006-2011, Ondra Kamenik
#include "parser/cc/location.hh"
#include "dynare_model.hh"
diff --git a/julia/Dynare.jl b/julia/Dynare.jl
index 751d19f728df905a6ef4cd00cdd67968c134eb98..ce24db7d26e928aa2340583bfe7ef847758476fe 100644
--- a/julia/Dynare.jl
+++ b/julia/Dynare.jl
@@ -1,7 +1,7 @@
module Dynare
##
- # Copyright (C) 2015-2016 Dynare Team
+ # Copyright © 2015-2016 Dynare Team
#
# This file is part of Dynare.
#
diff --git a/julia/DynareModel.jl b/julia/DynareModel.jl
index 8d2d3a94a8e13f8db5914dc5e4da444cbadf6763..c2c5f46e14cc0393395dd612bb338a1d54fa36b7 100644
--- a/julia/DynareModel.jl
+++ b/julia/DynareModel.jl
@@ -1,6 +1,6 @@
module DynareModel
##
- # Copyright (C) 2015-2018 Dynare Team
+ # Copyright © 2015-2018 Dynare Team
#
# This file is part of Dynare.
#
diff --git a/julia/DynareOptions.jl b/julia/DynareOptions.jl
index 9e32bde2db8654caca52cf85ab36b46ba812d8d9..226764e64c3f0775496b98f6dbc0607bdd6278aa 100644
--- a/julia/DynareOptions.jl
+++ b/julia/DynareOptions.jl
@@ -1,6 +1,6 @@
module DynareOptions
##
- # Copyright (C) 2015 Dynare Team
+ # Copyright © 2015 Dynare Team
#
# This file is part of Dynare.
#
diff --git a/julia/DynareOutput.jl b/julia/DynareOutput.jl
index 7adc456ed9319f267d3f241aa97fc3fa64dbd9c6..9227267da0cf8ec677c285d5ce506c1b53ac348d 100644
--- a/julia/DynareOutput.jl
+++ b/julia/DynareOutput.jl
@@ -1,6 +1,6 @@
module DynareOutput
##
- # Copyright (C) 2015-2018 Dynare Team
+ # Copyright © 2015-2018 Dynare Team
#
# This file is part of Dynare.
#
diff --git a/julia/PerfectForesightModelSolver.jl b/julia/PerfectForesightModelSolver.jl
index cab8a48071ff71154024d6cf88c4e72eba853e8f..2116b15836f4686cdd5cf17edeae374ee0b0a534 100644
--- a/julia/PerfectForesightModelSolver.jl
+++ b/julia/PerfectForesightModelSolver.jl
@@ -1,7 +1,7 @@
module PerfectForesightModelSolver
##
- # Copyright (C) 2016 Dynare Team
+ # Copyright © 2016 Dynare Team
#
# This file is part of Dynare.
#
diff --git a/julia/SteadyState.jl b/julia/SteadyState.jl
index ab68c52955b2e7ed4dfbc609eac6b57fb749b346..4c4cb30c5e525f4144382dff06a2dce2985ad1a7 100644
--- a/julia/SteadyState.jl
+++ b/julia/SteadyState.jl
@@ -1,7 +1,7 @@
module SteadyState
##
- # Copyright (C) 2016 Dynare Team
+ # Copyright © 2016 Dynare Team
#
# This file is part of Dynare.
#
diff --git a/julia/Utils.jl b/julia/Utils.jl
index 6fd7eff5316a3f97410331793983eed1a5404f6b..6bd17a2f5e9d8dd696df7d8179eea3e47516aa23 100644
--- a/julia/Utils.jl
+++ b/julia/Utils.jl
@@ -1,6 +1,6 @@
module Utils
##
- # Copyright (C) 2015 Dynare Team
+ # Copyright © 2015 Dynare Team
#
# This file is part of Dynare.
#
diff --git a/m4/ax_cxx11_thread.m4 b/m4/ax_cxx11_thread.m4
index 4fa2bb0852ae9fdd449dbf71c9a551d8d6ce7eb4..65d557b63e8bfb30dabee344c63786304e99eb59 100644
--- a/m4/ax_cxx11_thread.m4
+++ b/m4/ax_cxx11_thread.m4
@@ -1,6 +1,6 @@
dnl Adds flags needed to compile programs using C++11 threads
-dnl Copyright (C) 2019 Dynare Team
+dnl Copyright © 2019 Dynare Team
dnl
dnl This file is part of Dynare.
dnl
diff --git a/m4/ax_gsl.m4 b/m4/ax_gsl.m4
index 71a5ca6ffd356207f35932b07fa1cd1c912be950..38c533dcc5ee04bfb9e9186b39b2a380e897df2b 100644
--- a/m4/ax_gsl.m4
+++ b/m4/ax_gsl.m4
@@ -2,7 +2,7 @@ dnl Detect GSL.
dnl We don't use the official M4 macro since it relies on the script gsl-config,
dnl which does not work when cross-compiling.
dnl
-dnl Copyright (C) 2010-2012 Dynare Team
+dnl Copyright © 2010-2012 Dynare Team
dnl
dnl This file is part of Dynare.
dnl
diff --git a/m4/ax_latex_class.m4 b/m4/ax_latex_class.m4
index 0c1a951923f944788c0ef3fbe7a4cb884bf4607c..0f4c881f21f34bef8e68bfefc41c3a3e02df7f8b 100644
--- a/m4/ax_latex_class.m4
+++ b/m4/ax_latex_class.m4
@@ -20,8 +20,8 @@
#
# LICENSE
#
-# Copyright (c) 2008 Boretti Mathieu <boretti@eig.unige.ch>
-# Copyright (c) 2009 Dynare Team
+# Copyright © 2008 Boretti Mathieu <boretti@eig.unige.ch>
+# Copyright © 2009 Dynare Team
#
# This library is free software; you can redistribute it and/or modify it
# under the terms of the GNU Lesser General Public License as published by
diff --git a/m4/ax_latex_test.m4 b/m4/ax_latex_test.m4
index 4d5b73a3480172830b9861e74f13af402c864e6c..5a3d012fc1d38c1b5ae43a6a5f84c91f28751488 100644
--- a/m4/ax_latex_test.m4
+++ b/m4/ax_latex_test.m4
@@ -22,8 +22,8 @@
#
# LICENSE
#
-# Copyright (c) 2008 Boretti Mathieu <boretti@eig.unige.ch>
-# Copyright (c) 2009 Dynare Team
+# Copyright © 2008 Boretti Mathieu <boretti@eig.unige.ch>
+# Copyright © 2009 Dynare Team
#
# This library is free software; you can redistribute it and/or modify it
# under the terms of the GNU Lesser General Public License as published by
diff --git a/m4/ax_matio.m4 b/m4/ax_matio.m4
index bcbc017d411c24162028192a61167704aca73286..34f2abfbd25cd7d09c5106c7c1675aad08260d03 100644
--- a/m4/ax_matio.m4
+++ b/m4/ax_matio.m4
@@ -1,6 +1,6 @@
dnl Detect the MATIO Library.
dnl
-dnl Copyright (C) 2012-2014 Dynare Team
+dnl Copyright © 2012-2014 Dynare Team
dnl
dnl This file is part of Dynare.
dnl
diff --git a/m4/ax_matlab.m4 b/m4/ax_matlab.m4
index c451f1dfa94125eb8766a973590795c43cd6c750..32938c50858dd6dbfd8a50efe752e5b9f5983598 100644
--- a/m4/ax_matlab.m4
+++ b/m4/ax_matlab.m4
@@ -1,7 +1,7 @@
dnl ax_matlab.m4 --- check for MATLAB.
dnl
-dnl Copyright (C) 2000--2003 Ralph Schleicher
-dnl Copyright (C) 2009 Dynare Team
+dnl Copyright © 2000-2003 Ralph Schleicher
+dnl Copyright © 2009 Dynare Team
dnl
dnl This program is free software; you can redistribute it and/or
dnl modify it under the terms of the GNU General Public License as
diff --git a/m4/ax_matlab_arch.m4 b/m4/ax_matlab_arch.m4
index fca6b96edb0fded4739e537625e9df6822d3412e..43f23f7a4351e7af00fe5d31fb464e0c1ab07010 100644
--- a/m4/ax_matlab_arch.m4
+++ b/m4/ax_matlab_arch.m4
@@ -1,7 +1,7 @@
dnl matlabarch.m4 --- check for MATLAB machine architecture.
dnl
-dnl Copyright (C) 2002, 2003 Ralph Schleicher
-dnl Copyright (C) 2009 Dynare Team
+dnl Copyright © 2002, 2003 Ralph Schleicher
+dnl Copyright © 2009 Dynare Team
dnl
dnl This program is free software; you can redistribute it and/or
dnl modify it under the terms of the GNU General Public License as
diff --git a/m4/ax_matlab_batch_options.m4 b/m4/ax_matlab_batch_options.m4
index 9949a479c83733545b5eda684a972398d90204c4..a18b87163b04608848333fdb47440874e4c7656c 100644
--- a/m4/ax_matlab_batch_options.m4
+++ b/m4/ax_matlab_batch_options.m4
@@ -1,4 +1,4 @@
-dnl Copyright (C) 2019 Dynare Team
+dnl Copyright © 2019 Dynare Team
dnl
dnl This file is part of Dynare.
dnl
diff --git a/m4/ax_matlab_version.m4 b/m4/ax_matlab_version.m4
index c68982ed68232c9641c79a87128e4a00084dcc37..73d78caaac6336f00e5b8b0596ac9b4aaaf16d38 100644
--- a/m4/ax_matlab_version.m4
+++ b/m4/ax_matlab_version.m4
@@ -1,4 +1,4 @@
-dnl Copyright (C) 2009-2016 Dynare Team
+dnl Copyright © 2009-2016 Dynare Team
dnl
dnl This file is part of Dynare.
dnl
diff --git a/m4/ax_mexext.m4 b/m4/ax_mexext.m4
index 6e43b9ceb43a87234722161157bcbadb58067db9..b59e4696dd7d5b95e1f00fc60a216bba0a872839 100644
--- a/m4/ax_mexext.m4
+++ b/m4/ax_mexext.m4
@@ -1,7 +1,7 @@
dnl ax_mexext.m4 --- check for MEX-file suffix.
dnl
-dnl Copyright (C) 2000--2003 Ralph Schleicher
-dnl Copyright (C) 2009 Dynare Team
+dnl Copyright © 2000-2003 Ralph Schleicher
+dnl Copyright © 2009 Dynare Team
dnl
dnl This program is free software; you can redistribute it and/or
dnl modify it under the terms of the GNU General Public License as
diff --git a/m4/ax_mexopts.m4 b/m4/ax_mexopts.m4
index fbcd08ebfea809dabefa4d375ad9cf80fe302aeb..a580042cf20d00df1a7f4cf5610aa8f096c58fd1 100644
--- a/m4/ax_mexopts.m4
+++ b/m4/ax_mexopts.m4
@@ -1,4 +1,4 @@
-dnl Copyright (C) 2009-2019 Dynare Team
+dnl Copyright © 2009-2019 Dynare Team
dnl
dnl This file is part of Dynare.
dnl
diff --git a/m4/ax_prog_ln_s.m4 b/m4/ax_prog_ln_s.m4
index d9477064dca4f950b089dd2dc757993969f83fa7..5857da9c10a878a35ac9c61bab3dc6c462f4de5e 100644
--- a/m4/ax_prog_ln_s.m4
+++ b/m4/ax_prog_ln_s.m4
@@ -1,4 +1,4 @@
-dnl Copyright (C) 2009-2010 Dynare Team
+dnl Copyright © 2009-2010 Dynare Team
dnl
dnl This file is part of Dynare.
dnl
diff --git a/m4/ax_slicot.m4 b/m4/ax_slicot.m4
index 4cc5f14361348a869c037bf8a2b6922883a4faf7..6fa6e95c5e5dc0ac9c258f4fd51ff42c9a6316f6 100644
--- a/m4/ax_slicot.m4
+++ b/m4/ax_slicot.m4
@@ -5,7 +5,7 @@ dnl
dnl AX_SLICOT([matlab])
dnl AX_SLICOT([octave])
dnl
-dnl Copyright (C) 2012 Dynare Team
+dnl Copyright © 2012 Dynare Team
dnl
dnl This file is part of Dynare.
dnl
diff --git a/m4/ax_tex_test.m4 b/m4/ax_tex_test.m4
index c4d7d49bc0cf926228b509d8b1e547c31eb5f802..323ebe55a6821194133ce9a35aed6e902c7f45ae 100644
--- a/m4/ax_tex_test.m4
+++ b/m4/ax_tex_test.m4
@@ -24,8 +24,8 @@
#
# LICENSE
#
-# Copyright (c) 2008 Boretti Mathieu <boretti@eig.unige.ch>
-# Copyright (c) 2009 Dynare Team
+# Copyright © 2008 Boretti Mathieu <boretti@eig.unige.ch>
+# Copyright © 2009 Dynare Team
#
# This library is free software; you can redistribute it and/or modify it
# under the terms of the GNU Lesser General Public License as published by
diff --git a/mex/build/matlab/configure.ac b/mex/build/matlab/configure.ac
index ab17ac9846c802d2a5063450b5a99a5920f2e29e..fb32281b38451f2d4edfc76114be517b8ceaf472 100644
--- a/mex/build/matlab/configure.ac
+++ b/mex/build/matlab/configure.ac
@@ -1,6 +1,6 @@
dnl Process this file with autoconf to produce a configure script.
-dnl Copyright (C) 2009-2019 Dynare Team
+dnl Copyright © 2009-2019 Dynare Team
dnl
dnl This file is part of Dynare.
dnl
diff --git a/mex/build/octave/configure.ac b/mex/build/octave/configure.ac
index 1145549c1140cac23c0aa7d6f079045c0cbcbaa5..3071d55518f87efc0b7d492600394ed1af51eac8 100644
--- a/mex/build/octave/configure.ac
+++ b/mex/build/octave/configure.ac
@@ -1,6 +1,6 @@
dnl Process this file with autoconf to produce a configure script.
-dnl Copyright (C) 2009-2017 Dynare Team
+dnl Copyright © 2009-2017 Dynare Team
dnl
dnl This file is part of Dynare.
dnl
diff --git a/scripts/diffFuncNames.py b/scripts/diffFuncNames.py
index 14dc224ab2248e7490d7cbf697affcfad1885892..121c0faf7da150db5bb0af47ea5a61b4a4b7c8d1 100644
--- a/scripts/diffFuncNames.py
+++ b/scripts/diffFuncNames.py
@@ -6,7 +6,7 @@
##
##
-## Copyright (C) 2012 Dynare Team
+## Copyright © 2012 Dynare Team
##
## This file is part of Dynare.
##
diff --git a/scripts/dynare.el b/scripts/dynare.el
index 9ae456fec97e518e532ec0ccb92fea49f41c895c..aec37fe77669cfa07b90d7f015e46bf90c27e45e 100644
--- a/scripts/dynare.el
+++ b/scripts/dynare.el
@@ -1,7 +1,7 @@
;;; dynare.el --- major mode for editing Dynare mod files
-;; Copyright (C) 2010 Yannick Kalantzis
-;; Copyright (C) 2019 Dynare Team
+;; Copyright © 2010 Yannick Kalantzis
+;; Copyright © 2019 Dynare Team
;;
;; This program is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
diff --git a/scripts/functionDifferences.py b/scripts/functionDifferences.py
index 0679087ef627a4d9e298d509192012f4cb52b1cf..29d03ddb7df1008ec35b69895e309cfb6dccf74f 100644
--- a/scripts/functionDifferences.py
+++ b/scripts/functionDifferences.py
@@ -10,7 +10,7 @@
##
##
-## Copyright (C) 2012 Dynare Team
+## Copyright © 2012 Dynare Team
##
## This file is part of Dynare.
##