Hi,

nutze:

Code:
\DeclareNameFormat{labelname}{%
  \usebibmacro{name:last-first}{#1}{#4}{#5}{#8}
  \usebibmacro{name:andothers}}
\makeatletter
\renewbibmacro*{cite}{%
  \iffieldundef{shorthand}
    {\ifthenelse{\ifciteibid\AND\NOT\iffirstonpage}
       {\usebibmacro{cite:ibid}}
       {\iffieldequals{namehash}{\cbx@lasthash}
	  {\setunit{\compcitedelim}}
	  {\ifnameundef{labelname}
             {}
             {\printnames{labelname}%
              \setunit{\addspace}}%
           \savefield{namehash}{\cbx@lasthash}}%
           \printfield{year}%
%	\usebibmacro{cite:title}
      }}%
    {\usebibmacro{cite:shorthand}%
     \usebibmacro{cite:reinit}}%
  \setunit{\multicitedelim}}
\makeatother
Hier ein komplettes Beispiel:

Code:
\documentclass[11pt]{scrartcl}
\usepackage[T1]{fontenc}
\usepackage[ngerman]{babel}
\usepackage[backend=biber,style=authortitle-icomp,autocite=footnote,]{biblatex}
\usepackage[babel,german=guillemets]{csquotes}
\usepackage{filecontents}
\begin{filecontents}{test02.bib}
@book{Cooper,
author = {Cooper, Robert G.},
year = {2002},
title = {Top oder Flop in der Produktentwicklung: Erfolgsstrategien; von der Idee zum Launch},
url = {\url{http://www.gbv.de/dms/bsz/toc/bsz099386836inh.pdf}},
price = {EUR 49.90},
keywords = {Produktentwicklung;Produkteinf\"uhrung;Prozessmanagement;Erfolgsfaktor},
address = {Weinheim},
edition = {1. Aufl},
publisher = {Wiley-VCH Verl.},
isbn = {3527500278}
}
\end{filecontents}
%\bibliography{test02}
\addbibresource{test02.bib}

% Einzug der umgebrochenen Zeile
\setlength{\bibhang}{1.5cm}
% Setzt die Jahresangabe in der Fußnote in Klammen
\DeclareFieldFormat{year}{\mkbibparens{#1}}

\DeclareNameFormat{labelname}{%
  \usebibmacro{name:last-first}{#1}{#4}{#5}{#8}
  \usebibmacro{name:andothers}}
\makeatletter
\renewbibmacro*{cite}{%
  \iffieldundef{shorthand}
    {\ifthenelse{\ifciteibid\AND\NOT\iffirstonpage}
       {\usebibmacro{cite:ibid}}
       {\iffieldequals{namehash}{\cbx@lasthash}
	  {\setunit{\compcitedelim}}
	  {\ifnameundef{labelname}
             {}
             {\printnames{labelname}%
              \setunit{\addspace}}%
           \savefield{namehash}{\cbx@lasthash}}%
           \printfield{year}%
%	\usebibmacro{cite:title}
      }}%
    {\usebibmacro{cite:shorthand}%
     \usebibmacro{cite:reinit}}%
  \setunit{\multicitedelim}}
\makeatother
% Hyperlink references
\usepackage{hyperref}
\usepackage[all]{hypcap}

\begin{document}
dlkglkjgd nach hallo \autocite[S.99]{Cooper} dfbalaaaaaaa \footcite[S.99]{Cooper}
dfsf
\footcite{Hartschen.2009}sdf \\ sdfsaf
\autocite[S.33]{Seidel.2005}  sfsdf
 
\newpage
\printbibliography 

\end{document}
Beachte zudem, dass biblatex mit \addbibresource anstelle von \bibliography arbeitet.

Marco